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词汇 negative
释义

Definition of negative in English:

negative

adjective ˈnɛɡətɪvˈnɛɡədɪv
  • 1Consisting in or characterized by the absence rather than the presence of distinguishing features.

    否定的;表示否认的

    Example sentencesExamples
    • The records of her transaction, and loan would have been available and in their absence I draw a negative inference.
    1. 1.1 Expressing or implying denial, disagreement, or refusal.
      (陈述,决定)否定的;反对的;否决的
      that, I take it, was a negative answer

      我认为那个回答是否定的。

      Example sentencesExamples
      • Here's a negative vote of confidence in the Bahamas.
      • A negative vote in either arena should be sufficient to stop the war; formal authorization in both arenas should be required to go to war.
      • If the answer is negative then surely we have a stake in any debate about reform of that state, otherwise we leave the field free to the real enemies of public services.
      • Instead they will provide non-verbal clues implying a negative response.
      • She asked Albine if she wanted money; the answer was negative.
      • ‘Instead of having doors opened to us, we have received only negative answers,’ said Alvarez.
      • So the question must have encouraged a higher negative answer.
      • Some bank personnel do not seem to know that it is common courtesy to answer letters, even if the answer is negative.
      • But times have changed since the last vote and two more reasons for a negative vote have been added.
      • The negative answer by the jury cannot be supported.
      • True, the insurgents' action took place 15 years ago, but your negative answer makes me wonder.
      • If you are wondering whether the combined talent on display can improve the pedestrian material, the answer is indifferently negative.
      • In Vietnam, for example, a direct refusal or negative answer is considered impolite and crude.
      • However, much to the surprise of Mr. Antony, there was a negative answer from a few.
      • If the answer is negative, ask about any history of tobacco use.
      • I don't believe so but we may and if we have a negative answer, I will stand here in front of you in March and share that with you and we'll have to talk about it together.
      • I was surprised to receive negative answers: how the Bible doesn't function primarily to restrict or convict them.
      • She has never given a negative answer to a producer or director who has approached her.
      • He asked them directly if there was any Cuban involvement with bioterrorism and got a negative answer from all of them.
      • That would have at least prevented the embarrassment of negative votes, which is really what this is all about.
      Synonyms
      saying ‘no’, in the negative, rejecting, refusing
      dissenting, dissentient, contrary, anti-, opposing, opposed
      denying
      formal gainsaying
      rare dissentious
    2. 1.2 (of the results of a test or experiment) indicating that a certain substance or condition is not present or does not exist.
      (实验或测试的结果)阴性的
      a negative test result

      负利率。

      Example sentencesExamples
      • If your test results are negative, it means that no blood was found.
      • When test results are negative, it may help reduce maternal anxiety earlier.
      • If these results are negative, further testing to rule out HCV is indicated.
      • If she is tested, a negative result would reduce her concerns somewhat.
      • Treatment should be discontinued if test results are negative.
      • The Department for Environment, Food and Rural Affairs said today that all tests had now shown negative results, and the movement restrictions would be lifted.
      • All manner of latent exotic infections might be coming back to haunt him, but all the test results were negative.
      • All the test results were negative for residual disease until October 1998.
      • Autoimmune makers and hepatitis B and C serologic test results were negative.
      • The Irish Department of Agriculture yesterday lifted trade restrictions in Co Louth following negative test results.
      • The test results were negative on three occasions.
      • Repeat brushings are indicated for suspicious or negative results not consistent with the clinical or radiologic findings.
      • The presence of only a control line on the dipstick indicates a negative test result.
      • He maintained that he had AIDS, despite several negative results of HIV tests.
      • In two other patients both the blood film and the test gave negative results at presentation but positive results on subsequent days.
      • A negative test result was usually an accurate indication that the client did not have the disorder.
      • But we know from past tests that labs with substandard methodology were used and therefore the test results were negative for DU.
      • In addition, a patch test should show a negative result.
      • All 10 samples that were non-reactive on repeat testing gave negative results on immunoblotting.
      • If this combination is used, women with negative results on both tests should be rescreened no more than every three years.
    3. 1.3 (of a person) not having a specified condition or showing traces of a specified substance in their body.
      all the patients have tested negative for TB

      到目前为止,所有病人的结核杆菌检测结果都呈阴性。

      in combination HPV-negative
      Example sentencesExamples
      • Thinking he was negative, Joe infected his boyfriend, whom he met this year.
      • Fifty-one of 77 patients tested negative for all the antibodies examined.
      • He has multiple tick bites in the recent past, however, he tested negative for Lyme disease.
      • Drug taking was also an issue in the prison with only 75 % of inmates testing negative for drugs.
      • She was checked for Cushings disease but was negative.
      • She's already tested negative for drugs in a urine sample.
      • Table 3 shows the results for women who stayed HPV negative compared with women who stayed HPV positive.
      • Coincidentally, I had just had my appendix out and the blood test had shown that I was negative at the time, so I took a doctor's certificate to the newspapers.
      • Her husband, who also has the symptoms, tested negative.
      • The study found that women who tested negative were happier at the end of the study than they were at the outset.
    4. 1.4US informal Denoting a complete lack of something.
      〈美,非正式〉根本不
      they were described as having negative vulnerability to water entry

      它们被描述为滴水不漏。

    5. 1.5Grammar Logic (of a word, clause, or proposition) stating that something is not the case; expressing negation.
      Contrasted with affirmative and interrogative
      Example sentencesExamples
      • A deduction with a negative conclusion must have one negative premise.
      • This view arises from the use of the Pali term anatta, which involves the attaching of a negative prefix to the word for self.
    6. 1.6as exclamation No (usually used in a military context)
      常用于军事语境不,没有
      ‘Any snags, Captain?’ ‘Negative, she's running like clockwork.’

      “有暗桩吗,船长?”“没有,船走得相当平稳。”

  • 2(of a person, attitude, or situation) not desirable or optimistic.

    the new tax was having a negative effect on car sales

    这项新的税收对汽车销售有着非常消极的影响。

    not all the news is negative

    并不是所有的消息都是坏消息。

    I don't want to be negative, but I don't see how we could do it
    Example sentencesExamples
    • Optimism can counteract the negative impact stress, tension and anxiety has on your immune system and well-being.
    • We have been following more on western way of life whose effects have been negative.
    • Subsequent days had not been as dramatic but the overall effect had been negative, he said.
    • These ads and the media coverage of these ads may have a multiplier effect of negative coverage.
    • What was the effect of these negative attitudes on the immigrants themselves?
    • The hysteria created towards homeland-security and the protection of American borders has also had negative and distorting effects on American science.
    • It showed that women and their families felt recent changes in maternity services had a more negative than positive effect.
    • I'm no optimist but your negative ranting is bemusing.
    • But for the immediate future, the effect of a declining currency will be negative.
    • Despite worries about possible negative health effects of mobile phone use, various studies over the past few years have proved inconclusive.
    • This prolonged increase in adrenaline can have negative health effects on the body.
    • A few comments say our view of the new Alpha roadmap is either hopelessly optimistic, or unfairly negative.
    • I hope that there are more people in the world who have an optimistic view than a negative one.
    • Parrish focused specifically on the effect of the wall on children in the area and the negative psychological effects on the population.
    • Moreover, negative health effects are seen at both ends.
    • A reading of 50 or above on the index means that business executives are more optimistic than negative.
    • Are there negative health effects from subtle racism?
    • What effects do you think negative politicking will have on this election and future elections?
    • Here, we consider the concept of negative advertising and the effects such practices have on modern-day campaigning.
    • Obviously there are individual differences in sensitivity to the effects of negative stereotypes on performance.
    Synonyms
    pessimistic, defeatist, gloomy, gloom-ridden, cynical, bleak, fatalistic, dismissive, anti, antipathetic, uncooperative, obstructive
    unenthusiastic, cool, cold, uninterested, unresponsive, apathetic
    harmful, bad, adverse, damaging, detrimental, unfortunate, unfavourable, disadvantageous
  • 3(of a quantity) less than zero.

    负数

    Example sentencesExamples
    • Well, the real numbers are all the positive numbers, negative numbers, and zero.
    • Integers are the whole numbers, negative whole numbers, and zero.
    • The usual calculation of the possible range of values for small observed frequencies often included zero, and even negative values.
    • What some of these people noticed was that if you pretended you could take the square root of a negative number, and you went ahead and didn't blink, you could come out with the right answer.
    • Private analysts, however, have forecast a zero or negative figure.
    • It is a sobering thought that eight hundred years later European mathematics would be struggling to cope without the use of negative numbers and of zero.
    • That's why we had to invent negative integers, to introduce a new set Z for which the statement
    • If you win the bid and your score for that hand is negative (below zero) you lose nothing and get 1 point.
    • The measurement begins at zero, and as the negative number increases below zero, so does the severity of myopia.
    • Given that he was building on the knowledge and understanding of Brahmagupta it is not surprising that Bhaskaracharya understood about zero and negative numbers.
    • Let's see how a mathematician might understand what's going on when a negative number is multiplied by a negative number.
    • As negative values of x get closer to zero, the value of f gets closer to zero.
    • Many believe that the preservation of that right has zero or a negative value.
    • Find the smallest index of a basic (left-hand side) variables with a negative value.
    • Brahmagupta attempted to give the rules for arithmetic involving zero and negative numbers in the seventh century.
    • The Arabs did not know about the advances of the Hindus so they had neither negative quantities nor abbreviations for their unknowns.
    • Zero is used and his rules for arithmetical operations includes zero and negative numbers.
    • Multiplication of negative numbers was also completely understood by al-Samawal.
    • Indeed Cardan gives precisely the conditions here for the formula to involve square roots of negative numbers.
    • The series is said to converge if the two series, one defined over the positive integers, the other defined over the negative integers, both converge.
    1. 3.1 Denoting decrease or reversal.
      减少的;反向的
      the industry suffered negative growth in the 1990s

      1992年,工业遭受了负增长。

      Example sentencesExamples
      • With still negative real short-term interest rates in the US and parts of the eurozone, there will be a lot of money around for a while yet.
      • Financial experts have confirmed the phenomenon of negative real interest rates, but they have also dismissed the concern over inflation in China.
      • The Japanese economy, the second largest in the world, has recorded low or negative growth rates throughout the 1990s.
      • Obviously this cannot work, for no one would lend in return for negative interest rates.
      • That means Spain effectively has negative interest rates.
      • Japan needs a deliberate inflation and negative real interest rates in order to reduce its excessive total debt and allow for recovery.
      • Some are even talking of stagflation - a damaging combination of high inflation and negative growth that has not reared its ugly head since the 1970s.
      • If this condition is not met, structural compounds are mobilized to maintain a minimum value of respiration which, in the model, is equivalent to a negative growth rate.
      • A donkey can avoid bad debts in a climate of strong economic growth, and negative real interest rates.
      • Since 1990, the North Korean economy has recorded a negative growth rate.
      • Sometimes there is enough accompanying inflation to create negative real interest rates and erode the real value of debt.
      • The current recession - defined as two straight quarters of negative growth - began last March.
      • The loss of negative pressure decreased the rate of raw feed going into the mill, thereby having an impact on the amount of material going to the kiln.
      • Real interest rates have been negative since October 2002.
      • Part of this negative growth rate was due to emigration.
      • For example, other developed countries are now experiencing negative population growth rates.
      • But still, we only had one quarter of negative growth, and this year we're going to grow at 4 percent.
      • The target federal funds rate has now been below two percent, and real interest rates have been negative for nearly two years.
      • Most observers maintain this contributed to political instability and a negative growth rate.
      • Some non-oil commodities are still showing negative growth.
  • 4Containing, producing, or denoting the kind of electric charge carried by electrons.

    负(极)的

    Example sentencesExamples
    • You need a good conductor that carries the electrical current by the passage of oxygen ions, these are oxygen atoms which carry a negative charge.
    • Surrounding it is a cloud of electrons, which are small, light subatomic particles with a negative charge.
    • The capillary wall carries a net negative charge, and acts as both a charge-selective and size-selective filter.
    • The atom that gains electrons gains a negative charge, becoming an anion.
    • Because nucleic acids always carry a negative charge, separation of nucleic acids occurs strictly by molecular size.
    • Acidic aggregates are strongly polar and carry a net negative surface charge.
    • If the positive charge of the nucleus equals the negative charge of the electrons, the atom as a whole carries no charge.
    • We also observed a decrease in the binding of the two anionic species when the membranes carried a negative charge.
    • In solution, these strands have a slight negative electric charge, a fact that makes for some fascinating chemistry.
    • SDS is a detergent that carries a negative electrical charge.
    • All electrons are alike: they all carry the same negative charge, and they repel each other.
    • We take as givens the forces of gravity, the laws of nature, the ideas that an electron has a negative charge and the protons a positive charge.
    • Since the DPPG lipid molecule carries a negative charge, an equal number of sodium ions were added to the system as counterions.
    • When the balloon is held up to a wall, the negative charge causes the electrons in the wall to move away from the area.
    • These ions usually carry several negative charges, so that potential barrier for them is expected to be very high.
    • Water molecules have poles of positive and negative electric charge that are known to create attractive forces between cells, known as van der Waals forces.
    • The particles that move are electrons, and they carry a negative charge.
    • Electrons have a negative charge, and the two Polar Regions tend to attract them.
    • Each electron carries one unit of negative charge, and there is the same number of electrons as protons, so the atom as a whole is electrically neutral.
    • These sheets also carry a negative charge which is balanced by positive ions bound between sheets.
  • 5(of a photographic image) showing light and shade or colours reversed from those of the original.

    (照片)负像的,底片的

    Example sentencesExamples
    • The magic of photography takes negative images and can turn them into positive things of beauty, it fits so well with our theme.
    • During the same time, Henry Fox Talbot created negative images using paper soaked in silver chloride and fixed with a salt solution.
    • Some monk drew a perfect photographic negative image, is that what you want us to believe?
    • Plus, the colors are sharp, even when we are shown a negative image of Adams's work before it transitions to positive black and white.
    • This whole process produces a black-and-white negative image of the subject photographed.
    • Look at a bright light and look away, and you see the negative image of it.
  • 6Astrology
    Relating to or denoting any of the earth or water signs, considered passive in nature.

    〔天文〕负的

    Example sentencesExamples
    • Any negative matter on the earth would have fallen up billions of years ago, making the earth devoid of any negative matter.
  • 7British (in Parliament) relating to or denoting proposed legislation which will come into force after a specified period unless explicitly rejected in a parliamentary vote.

    〈英〉(议会)(立法)自动生效的

    Example sentencesExamples
    • Once it became possible for the minister to be outvoted, the national parliaments lost even this nominal, negative control over decisions.
    • While such legislation is subject to parliamentary scrutiny, it is mostly by negative resolution procedure, so that this scrutiny is rarely rigorous.
    • By its decision taken in 1984 the Commission rejected an application for negative clearance and the association appealed.
noun ˈnɛɡətɪvˈnɛɡədɪv
  • 1A word or statement that expresses denial, disagreement, or refusal.

    (陈述,决定)否定的;反对的;否决的

    she replied in the negative

    她作出了否定的回答。

    Example sentencesExamples
    • He was asked if he wanted to receive the Nobel and he replied in the negative which greatly surprised the other people on the show.
    • The sceptical scribe answered in the negative; Palmer was annoyed at the dismissive response.
    • It provides an answer to this question in the negative.
    • He asked Mr. Sinclair if there was any complaint and Mr. Sinclair responded in the negative.
    • My response to your first question is in the negative.
    • Asked if he found any involvement of the ‘foreign hand’, he replied in the negative.
    • But it truly saddens me that a few people have indeed asked if I am going to sue and have been more than a touch surprised when I have answered them in the negative.
    • Posterity has tended to answer that question in the negative.
    • He is refused service in an antique store by an old man who answers even obvious questions in the negative.
    • To my great disappointment, his reply was in the negative.
    • I'm tall also, so I look him in the eye and reply in the negative.
    • Citing historical evidence, Marshall answers his own query in the negative.
    • Frightened, the young Ethiopian responded in the negative.
    • I would therefore answer the first question posed in the negative.
    • I asked many colleagues and friends if they would employ persons from the minority community and the answers were invariably in the negative.
    • The Court answered that question in the negative (with Judge Bauer dissenting).
    • I nodded at the vague words I captured from her answer as I headed towards the door, only halting when I realised that she had replied in the negative.
    • RBC has bitten the bullet, and answered my question in the negative; he thinks he'd still be free, and wouldn't complain.
    • She was also asked specifically as to whether or not anyone else stayed in the basement with Orville and responded in the negative.
    • In my view the answer to both those questions is in the negative.
    Synonyms
    ‘no’, refusal, rejection, veto
    dissension, contradiction
    denial
    1. 1.1usually the negative A bad or unwelcome quality or aspect of a situation.
      confidence will not be instilled by harping solely on the negative

      如果只是谈及消极的一面,是无法向人灌输信心的。

      Example sentencesExamples
      • To dwell on the negative of the situation was pointless, so I sought to find the good.
      • The only negative that people keep mentioning is that the song becomes repetitive towards the end and, as a friend just said, runs out of steam half way through.
      • Of course, the heritage of many people contains negatives, particularly when they come from a country riven by war or ethnic and religious hatreds.
      • So what was intended to benefit workers was in fact a real negative in that situation.
      • If the pessimists are right and it turns out to be a long and costly quagmire then people will remember the negatives and the pendulum will swing back the other way.
      • However the introduction of a turnover tax in transactions is a significant negative.
      • The only negative is the erratic quality of the food, although Sunday brunch is invariably excellent.
      • Still, the benefit of having such an amazing arsenal definitely outweighs the negatives.
      • This was much faster than actually holding the joystick and moving it back and forth, but it did have one negative: it really hurt.
      • The only negative about this particular concert is that the German audience doesn't really know how to respond to this music.
      • To see and acknowledge the negative in a situation and embrace whatever positive is there - that is the true definition of courage.
      • So if the chap in Gravesend is so negative, all he will see is the negative in others.
    2. 1.2Grammar A word, affix, or phrase expressing negation.
      〔语法〕否定词,否定语,否定词缀
      Example sentencesExamples
      • Other tenses, the various modalities, and of course negatives, would be incompatible with this characterization.
      • A penchant for sentences with multiple negatives is one of the things that make jury instructions notoriously hard to understand.
      • Hence the perceived strangeness of They could give a damn, which has no overt negative, but means the same thing as the same phrase with a negative.
      • So far then: no to adjectives being crucially involved, but yes to positives being used sarcastically to express negatives rather than the other way around.
      • Re-reading P G Wodehouse's The Code of the Woosters the other day reminded me of the many words in English which are the negatives of words whose positive forms are now obsolete or rare.
    3. 1.3Logic
      another term for negation
  • 2A negative photographic image made on film or specially prepared glass, from which positive prints may be made.

    底片,负片;负像

    photographs and negatives should be supplied for enlargement purposes
    Example sentencesExamples
    • We collected the negatives from Mr Johnston and they were absolutely genuine.
    • So I stayed in yesterday evening and continued to sort through three years of photographic, prints, negatives, and scans.
    • This is conceivable but unlikely; there are no extant negatives, and contemporary reports stated the plates were destroyed.
    • When dry, the photographer contact prints the negative onto the tissue.
    • Sugiura often uses the photogram as a paper negative to print a positive, in which the subject becomes a black silhouette.
    • In this article, I am primarily concerned with photographic prints rather than negatives.
    • But in fact, one almost complete set of negatives and several diaries and albums describing his extraordinary life survived.
    • Over the years, 8500 prints and glass plate negatives of the sisters have come to be housed there.
    • Traditionally, a photomontage is a single print made by superimposing several images enlarged from different negatives.
    • By April 1861, when the American civil war began, photography had advanced with the introduction of glass plate negatives.
    • Any dust on the APHS film during exposure of the enlarged negative will show in the final print as a black spot.
    • The photographer then contact prints negatives onto the platinum paper, which means the negative is put into direct contact with the paper as it is exposed by the enlarger.
    • A week ago we were attacked in my apartment, the attackers went through my darkroom and took the prints and negatives of all my photographic work over the last year but they weren't that good.
    • The collection of photographic images extends to 600 glass plate negatives, dating from the Edwardian period through to the 1920s.
    • Colour negatives will often lith print very well and much better than they do with other black and white printing methods.
    • They are one-of-a-kind photographs that cannot be easily reproduced (unlike prints from negatives or transparencies).
    • The photographers developed the infrared film and made prints from the negatives in their respective darkrooms.
    • A vast collection of black and white glass plate negatives and prints dating from the 1920s which were unearthed at a Doncaster sewage works have been donated to the town's museum and art gallery.
    • For the iceberg photos, Steffensen used black-and-white negatives but printed the images with color photographic chemicals.
    • Up until this point I have been using Kodak film and having my negatives printed off and enlarging and framing them.
  • 3A result of a test or experiment indicating that a certain substance or condition is not present or does not exist.

    (实验或测试的结果)阴性的

    the percentage of false negatives generated by a cancer test was of great concern

    癌症检测中假阴性的比例之高让人极为关注。

    Example sentencesExamples
    • With recurrent episodes, when less virus is present, the rate of false negatives goes up to 50%.
    • To avoid false negatives, in each FISH experiment the same hybridization mixture, with combined probes, was used in slides made from different species.
    • However, you have to trade this off against the effects on people who got false negatives if the test were not biased to produce every possible positive.
    • These results demonstrate that false negatives are possible with radiological tests for ovarian carcinoma.
    • False negatives, on the other hand, create a sense of security that is certainly sometimes unwarranted.
    • However, repeat cultures should be obtained to confirm that the earlier culture result was correct and not a false negative.
    • This would, according to the present model, reduce a significant amount of false negatives.
    • This minimizes false negatives, but, to interpret the search results accurately, one must be willing to review individual entries carefully.
    • Now, I mean, I do not know how the case was presented, but let us assume that there are flesh tests, and you may get false negatives.
    • I'm sure there are some false negatives there, but if this is mostly about right, this means that at least half of the people who visit our site are now regular readers.
    • Testing on specimens with rare atypical cells may produce false negatives.
    • No meat will reach the market unless it has tested a clear negative.
    • Both assays have an amplification control that will indicate inhibition to prevent reporting false negatives.
    • Several compounds added to urine may create false negatives, but laboratories now test for them.
    • I don't think so, because DNA evidence is so accurate that I think that having false negatives is a rarity.
    • Using the suggested limits of normality may result in an unnecessarily large number of false negatives.
    • To account for the possibility of false negatives, a test should be done more than 3 months after exposure.
    • The first problem leads to false positives, whereas the second and third generate false negatives.
    • Is the antibody test a false positive or the histological examination a false negative?
    • Most doctors chose to remove all surrounding lymph nodes instead of running the risk of a false negative.
  • 4mass noun The part of an electric circuit that is at a lower electrical potential than another part designated as having zero electrical potential.

    负电

    Example sentencesExamples
    • Welding is done with direct current, electrode negative (straight polarity).
  • 5A number less than zero.

    负数

    Example sentencesExamples
    • Notice that negatives were allowed and so were decimal fractions.
    • Instead, you reverse the order of the numbers, subtract, and take the negative.
    • Of course the problem which arises when one tries to consider zero and negatives as numbers is how they interact in regard to the operations of arithmetic, addition, subtraction, multiplication and division.
verb ˈnɛɡətɪvˈnɛɡədɪv
[with object]
  • 1Refuse to accept; reject.

    否定;否认;否决

    the bill was negatived on second reading by 130 votes to 129

    在进行二读时,这项议案以130票对129票被否决。

    Example sentencesExamples
    • Equally it is clear that the duty to secure mainstream schooling in section 316 has been negatived by the mother's objections.
    • Having said that, there seems to be a good deal to be said for John McMullen's argument for a statutory provision to negative the application of frustration.
    • It will be seen that the second answer negatives the conclusion of the first, since the Act is concerned with the purpose of the alteration irrespective of whose purpose it is.
    • It did not refer in any way to the Crown having to negative a claim of right and it did not identify the facts or knowledge relied upon for saying that the application was dishonest.
    • After that, the bill was recommitted and my amendment was negatived.
    • In Chiredzi North, the judge said that corrupt practices had not been proved, but the widespread violence and intimidation of the electorate negatived the concept of a free election, and she therefore declared the election void.
    • So when these things happen, one does not say: that was an extraordinary coincidence, which negatived the causal connection between the original act of accumulating the polluting substance and its escape.
    • It was not suggested that the possibility of a fall in the market was unforeseeable or that there was any other factor which negatived the causal connection between lending and losing the money.
    • Reflecting laissez-faire philosophy, s. 55 of the 1893 Act allowed the implied conditions to be freely negatived or varied by express agreement or by the course of dealing between the parties, or by usage.
    Synonyms
    reject, turn down, say ‘no’ to, refuse, veto, squash
    1. 1.1 Prove to be untrue.
      the insurer's main arguments were negatived by Lawrence

      承保人的主要论据遭到了劳伦斯的驳斥。

      Example sentencesExamples
      • Either aspect of mistake, whether it be mistake as contended for, or as referred to by the trial judge here, or as we would contend for, is something which has to be negatived, if raised, of course.
      • However, the trial judge found that the Crown had negatived the defence of self-defence as he found the complainant both credible and reliable and most importantly he found the incident to have occurred as the complainant had outlined.
      • Yes, in the sense that the accused would raise the defence on a balance of probabilities, the Crown would seek to negative that beyond reasonable doubt.
      • Again it was to prove a fickle promise as Costello negatived it at the other end just five minutes later.
      Synonyms
      disprove, prove to be false, show to be false, give the lie to, belie, invalidate, call into question, refute, rebut, discredit, explode
  • 2Render ineffective; neutralize.

    消除;抵消

    should criminal law allow consent to negative what would otherwise be a crime?

    刑法难道能允许抵消罪行吗?

    Example sentencesExamples
    • I do not accept the argument that the provisions of cl. 5 negative the existence of a specific charge.
    • It will be found, I think, on examination that there is no case in which the circumstances have been such as I have suggested where the liability has been negatived.
    • It is not negatived by some entirely speculative statistical approach by saying that you did not expect it would happen.
    • It is right to acknowledge, however, that the contractual position as between the parties may also negative the imposition of a duty of care in tort.
    • In considering the question whether there was a reasonable possibility of inspection, it is not open to the claimants to say that they reasonably relied on competent advisers and on that account the duty is not negatived.
    • It is a dreadful initiative in policy terms, but electorally appears to have been successful in negativing any northern suburb's fears about Labor being soft on crime.
    • In his view these contractual provisions reinforced rather than negatived the existence of a duty of care by the sub-contractors towards the employers in the circumstances of that case.
    • He acknowledges the GAA's attempt to speed up the game with the free and line-ball from the hand, but feels it has been negatived by stoppages for lectures and cards.
    • Where V consents only as a result of D's threats or as a result of fear, this will negative consent.
    • The general rule is thus that consent may negative assault or battery, but not a more serious offence.
    • The existence of damage to the plants at that side of the field thus negatived the Claimant's case as to causation.
    • On the restart Maynooth's Cummins had the opening score when he slotted over a fine point but this was negatived two minutes later when Tullow midfielder Conor Doyle shot over a glorious point from out on the right wing.
    • But what part of the constitution negatives a contract?
    • Derek Mooney and Gavin Smullen converted frees but Dooley negatived one of them at the other end.
    • In the case at bar, it was the facts proved mainly by the plaintiffs that in my view, negatived a claim based on mistake, and raised an Estoppel.
    • The question, therefore, is whether, although not expressly negatived, the need for a mental element is negatived by necessary implication.
    • The defendant did not have an opportunity to offer evidence at the trial that would have negatived an application of the theory to the circumstances of the case.
    • Pat Coady posted Carlow in front with a pointed free after two minutes, a score which Jack O'Shea negatived three minutes later.
    • However, the real drama was to come with the referee the focus of attention after an Eoin Kelly point was negatived by the Limerick full-back T.J. Ryan.
    • Cleland is the personification of more than Kerry's war bona fides; he is the living witness to negative Republican tactics.
    Synonyms
    cancel out, neutralize, counteract, nullify, negate, render ineffective

Derivatives

  • negativeness

  • noun ˈnɛɡətɪvnəsˈnɛɡədɪvnəs
    • Mothers were instructed to use their own definitions of child positiveness, negativeness, and neutrality in rating child behavior.
      Example sentencesExamples
      • It restates the negativeness of the universe.
      • Everyone is having fun, everyone is happy to be here, and you never feel the negativeness that is normal on many teams.
      • Although he has never seen her before, she attracts his gaze because her beauty and vitality seem at odds with ‘the uniform negativeness of expression’ of those around her.
      • Of course there are varying degrees to the extent of negativeness of the experience, and that has a bearing on the level of difficulty a person faces in overcoming homelessness.

Origin

Late Middle English: from late Latin negativus, from negare 'deny' (see negate).

  • Negative comes from Latin negare ‘to deny’, a Middle English word from the same source. The photographic negative dates from the mid 19th century.

Definition of negative in US English:

negative

adjectiveˈneɡədivˈnɛɡədɪv
  • 1Consisting in or characterized by the absence rather than the presence of distinguishing features.

    否定的;表示否认的

    Example sentencesExamples
    • The records of her transaction, and loan would have been available and in their absence I draw a negative inference.
    1. 1.1 (of a statement or decision) expressing or implying denial, disagreement, or refusal.
      (陈述,决定)否定的;反对的;否决的
      that, I take it, was a negative answer

      我认为那个回答是否定的。

      Example sentencesExamples
      • Instead they will provide non-verbal clues implying a negative response.
      • So the question must have encouraged a higher negative answer.
      • But times have changed since the last vote and two more reasons for a negative vote have been added.
      • In Vietnam, for example, a direct refusal or negative answer is considered impolite and crude.
      • ‘Instead of having doors opened to us, we have received only negative answers,’ said Alvarez.
      • If you are wondering whether the combined talent on display can improve the pedestrian material, the answer is indifferently negative.
      • Some bank personnel do not seem to know that it is common courtesy to answer letters, even if the answer is negative.
      • Here's a negative vote of confidence in the Bahamas.
      • She asked Albine if she wanted money; the answer was negative.
      • True, the insurgents' action took place 15 years ago, but your negative answer makes me wonder.
      • If the answer is negative, ask about any history of tobacco use.
      • If the answer is negative then surely we have a stake in any debate about reform of that state, otherwise we leave the field free to the real enemies of public services.
      • A negative vote in either arena should be sufficient to stop the war; formal authorization in both arenas should be required to go to war.
      • The negative answer by the jury cannot be supported.
      • She has never given a negative answer to a producer or director who has approached her.
      • However, much to the surprise of Mr. Antony, there was a negative answer from a few.
      • He asked them directly if there was any Cuban involvement with bioterrorism and got a negative answer from all of them.
      • I was surprised to receive negative answers: how the Bible doesn't function primarily to restrict or convict them.
      • I don't believe so but we may and if we have a negative answer, I will stand here in front of you in March and share that with you and we'll have to talk about it together.
      • That would have at least prevented the embarrassment of negative votes, which is really what this is all about.
      Synonyms
      saying ‘no’, in the negative, rejecting, refusing
    2. 1.2 (of the results of a test or experiment) indicating that a certain substance or condition is not present or does not exist.
      (实验或测试的结果)阴性的
      a negative test result

      负利率。

      Example sentencesExamples
      • The Irish Department of Agriculture yesterday lifted trade restrictions in Co Louth following negative test results.
      • When test results are negative, it may help reduce maternal anxiety earlier.
      • The Department for Environment, Food and Rural Affairs said today that all tests had now shown negative results, and the movement restrictions would be lifted.
      • All manner of latent exotic infections might be coming back to haunt him, but all the test results were negative.
      • If these results are negative, further testing to rule out HCV is indicated.
      • A negative test result was usually an accurate indication that the client did not have the disorder.
      • The test results were negative on three occasions.
      • But we know from past tests that labs with substandard methodology were used and therefore the test results were negative for DU.
      • If your test results are negative, it means that no blood was found.
      • The presence of only a control line on the dipstick indicates a negative test result.
      • If she is tested, a negative result would reduce her concerns somewhat.
      • He maintained that he had AIDS, despite several negative results of HIV tests.
      • All 10 samples that were non-reactive on repeat testing gave negative results on immunoblotting.
      • Treatment should be discontinued if test results are negative.
      • In addition, a patch test should show a negative result.
      • If this combination is used, women with negative results on both tests should be rescreened no more than every three years.
      • Autoimmune makers and hepatitis B and C serologic test results were negative.
      • All the test results were negative for residual disease until October 1998.
      • In two other patients both the blood film and the test gave negative results at presentation but positive results on subsequent days.
      • Repeat brushings are indicated for suspicious or negative results not consistent with the clinical or radiologic findings.
    3. 1.3 (of a person) not having a specified condition or showing traces of a specified substance in their body.
      so far all the patients have tested negative for TB

      到目前为止,所有病人的结核杆菌检测结果都呈阴性。

      in combination HPV-negative
      Example sentencesExamples
      • She was checked for Cushings disease but was negative.
      • Fifty-one of 77 patients tested negative for all the antibodies examined.
      • Thinking he was negative, Joe infected his boyfriend, whom he met this year.
      • She's already tested negative for drugs in a urine sample.
      • Table 3 shows the results for women who stayed HPV negative compared with women who stayed HPV positive.
      • Drug taking was also an issue in the prison with only 75 % of inmates testing negative for drugs.
      • He has multiple tick bites in the recent past, however, he tested negative for Lyme disease.
      • The study found that women who tested negative were happier at the end of the study than they were at the outset.
      • Her husband, who also has the symptoms, tested negative.
      • Coincidentally, I had just had my appendix out and the blood test had shown that I was negative at the time, so I took a doctor's certificate to the newspapers.
    4. 1.4US informal Denoting a complete lack of something.
      〈美,非正式〉根本不
      they were described as having negative vulnerability to water entry

      它们被描述为滴水不漏。

    5. 1.5Logic Grammar (of a word, clause, or proposition) expressing denial, negation, or refutation; stating or asserting that something is not the case.
      〔语法,逻〕(词,分句,命题)否认一致的,否定的。与AFFIRMATIVE 和INTERROGATIVE 相对
      Contrasted with affirmative and interrogative
      Example sentencesExamples
      • This view arises from the use of the Pali term anatta, which involves the attaching of a negative prefix to the word for self.
      • A deduction with a negative conclusion must have one negative premise.
  • 2(of a person, attitude, or situation) not desirable or optimistic.

    the new tax was having a very negative effect on car sales

    这项新的税收对汽车销售有着非常消极的影响。

    not all the news is negative

    并不是所有的消息都是坏消息。

    I don't want to be negative, but I don't see how we could do it
    Example sentencesExamples
    • This prolonged increase in adrenaline can have negative health effects on the body.
    • Here, we consider the concept of negative advertising and the effects such practices have on modern-day campaigning.
    • I hope that there are more people in the world who have an optimistic view than a negative one.
    • What was the effect of these negative attitudes on the immigrants themselves?
    • Despite worries about possible negative health effects of mobile phone use, various studies over the past few years have proved inconclusive.
    • It showed that women and their families felt recent changes in maternity services had a more negative than positive effect.
    • Obviously there are individual differences in sensitivity to the effects of negative stereotypes on performance.
    • A reading of 50 or above on the index means that business executives are more optimistic than negative.
    • We have been following more on western way of life whose effects have been negative.
    • But for the immediate future, the effect of a declining currency will be negative.
    • Are there negative health effects from subtle racism?
    • Parrish focused specifically on the effect of the wall on children in the area and the negative psychological effects on the population.
    • A few comments say our view of the new Alpha roadmap is either hopelessly optimistic, or unfairly negative.
    • What effects do you think negative politicking will have on this election and future elections?
    • Moreover, negative health effects are seen at both ends.
    • I'm no optimist but your negative ranting is bemusing.
    • These ads and the media coverage of these ads may have a multiplier effect of negative coverage.
    • Optimism can counteract the negative impact stress, tension and anxiety has on your immune system and well-being.
    • Subsequent days had not been as dramatic but the overall effect had been negative, he said.
    • The hysteria created towards homeland-security and the protection of American borders has also had negative and distorting effects on American science.
    Synonyms
    pessimistic, defeatist, gloomy, gloom-ridden, cynical, bleak, fatalistic, dismissive, anti, antipathetic, uncooperative, obstructive
    harmful, bad, adverse, damaging, detrimental, unfortunate, unfavourable, disadvantageous
  • 3(of a quantity) less than zero; to be subtracted from others or from zero.

    (数量)负数的;扣除的

    Example sentencesExamples
    • Find the smallest index of a basic (left-hand side) variables with a negative value.
    • Well, the real numbers are all the positive numbers, negative numbers, and zero.
    • The measurement begins at zero, and as the negative number increases below zero, so does the severity of myopia.
    • The Arabs did not know about the advances of the Hindus so they had neither negative quantities nor abbreviations for their unknowns.
    • That's why we had to invent negative integers, to introduce a new set Z for which the statement
    • Many believe that the preservation of that right has zero or a negative value.
    • Brahmagupta attempted to give the rules for arithmetic involving zero and negative numbers in the seventh century.
    • The usual calculation of the possible range of values for small observed frequencies often included zero, and even negative values.
    • What some of these people noticed was that if you pretended you could take the square root of a negative number, and you went ahead and didn't blink, you could come out with the right answer.
    • As negative values of x get closer to zero, the value of f gets closer to zero.
    • Let's see how a mathematician might understand what's going on when a negative number is multiplied by a negative number.
    • Multiplication of negative numbers was also completely understood by al-Samawal.
    • If you win the bid and your score for that hand is negative (below zero) you lose nothing and get 1 point.
    • Indeed Cardan gives precisely the conditions here for the formula to involve square roots of negative numbers.
    • The series is said to converge if the two series, one defined over the positive integers, the other defined over the negative integers, both converge.
    • Zero is used and his rules for arithmetical operations includes zero and negative numbers.
    • Private analysts, however, have forecast a zero or negative figure.
    • Integers are the whole numbers, negative whole numbers, and zero.
    • Given that he was building on the knowledge and understanding of Brahmagupta it is not surprising that Bhaskaracharya understood about zero and negative numbers.
    • It is a sobering thought that eight hundred years later European mathematics would be struggling to cope without the use of negative numbers and of zero.
    1. 3.1 Denoting a direction of decrease or reversal.
      减少的;反向的
      the industry suffered negative growth in 1992

      1992年,工业遭受了负增长。

      Example sentencesExamples
      • The loss of negative pressure decreased the rate of raw feed going into the mill, thereby having an impact on the amount of material going to the kiln.
      • If this condition is not met, structural compounds are mobilized to maintain a minimum value of respiration which, in the model, is equivalent to a negative growth rate.
      • Part of this negative growth rate was due to emigration.
      • Real interest rates have been negative since October 2002.
      • The Japanese economy, the second largest in the world, has recorded low or negative growth rates throughout the 1990s.
      • Since 1990, the North Korean economy has recorded a negative growth rate.
      • The target federal funds rate has now been below two percent, and real interest rates have been negative for nearly two years.
      • Japan needs a deliberate inflation and negative real interest rates in order to reduce its excessive total debt and allow for recovery.
      • A donkey can avoid bad debts in a climate of strong economic growth, and negative real interest rates.
      • Financial experts have confirmed the phenomenon of negative real interest rates, but they have also dismissed the concern over inflation in China.
      • Some non-oil commodities are still showing negative growth.
      • But still, we only had one quarter of negative growth, and this year we're going to grow at 4 percent.
      • Obviously this cannot work, for no one would lend in return for negative interest rates.
      • Some are even talking of stagflation - a damaging combination of high inflation and negative growth that has not reared its ugly head since the 1970s.
      • For example, other developed countries are now experiencing negative population growth rates.
      • That means Spain effectively has negative interest rates.
      • Most observers maintain this contributed to political instability and a negative growth rate.
      • With still negative real short-term interest rates in the US and parts of the eurozone, there will be a lot of money around for a while yet.
      • Sometimes there is enough accompanying inflation to create negative real interest rates and erode the real value of debt.
      • The current recession - defined as two straight quarters of negative growth - began last March.
  • 4Of, containing, producing, or denoting the kind of electric charge carried by electrons.

    负(极)的

    Example sentencesExamples
    • The particles that move are electrons, and they carry a negative charge.
    • These ions usually carry several negative charges, so that potential barrier for them is expected to be very high.
    • The atom that gains electrons gains a negative charge, becoming an anion.
    • These sheets also carry a negative charge which is balanced by positive ions bound between sheets.
    • Water molecules have poles of positive and negative electric charge that are known to create attractive forces between cells, known as van der Waals forces.
    • Each electron carries one unit of negative charge, and there is the same number of electrons as protons, so the atom as a whole is electrically neutral.
    • Acidic aggregates are strongly polar and carry a net negative surface charge.
    • We take as givens the forces of gravity, the laws of nature, the ideas that an electron has a negative charge and the protons a positive charge.
    • If the positive charge of the nucleus equals the negative charge of the electrons, the atom as a whole carries no charge.
    • In solution, these strands have a slight negative electric charge, a fact that makes for some fascinating chemistry.
    • SDS is a detergent that carries a negative electrical charge.
    • The capillary wall carries a net negative charge, and acts as both a charge-selective and size-selective filter.
    • We also observed a decrease in the binding of the two anionic species when the membranes carried a negative charge.
    • When the balloon is held up to a wall, the negative charge causes the electrons in the wall to move away from the area.
    • Surrounding it is a cloud of electrons, which are small, light subatomic particles with a negative charge.
    • You need a good conductor that carries the electrical current by the passage of oxygen ions, these are oxygen atoms which carry a negative charge.
    • Because nucleic acids always carry a negative charge, separation of nucleic acids occurs strictly by molecular size.
    • Electrons have a negative charge, and the two Polar Regions tend to attract them.
    • Since the DPPG lipid molecule carries a negative charge, an equal number of sodium ions were added to the system as counterions.
    • All electrons are alike: they all carry the same negative charge, and they repel each other.
  • 5(of a photographic image) showing light and shade or colors reversed from those of the original.

    (照片)负像的,底片的

    Example sentencesExamples
    • Look at a bright light and look away, and you see the negative image of it.
    • During the same time, Henry Fox Talbot created negative images using paper soaked in silver chloride and fixed with a salt solution.
    • This whole process produces a black-and-white negative image of the subject photographed.
    • Some monk drew a perfect photographic negative image, is that what you want us to believe?
    • The magic of photography takes negative images and can turn them into positive things of beauty, it fits so well with our theme.
    • Plus, the colors are sharp, even when we are shown a negative image of Adams's work before it transitions to positive black and white.
  • 6Astrology
    Relating to or denoting any of the earth or water signs, considered passive in nature.

    〔天文〕负的

    Example sentencesExamples
    • Any negative matter on the earth would have fallen up billions of years ago, making the earth devoid of any negative matter.
nounˈneɡədivˈnɛɡədɪv
  • 1A word or statement that expresses denial, disagreement, or refusal.

    (陈述,决定)否定的;反对的;否决的

    she replied in the negative

    她作出了否定的回答。

    Example sentencesExamples
    • My response to your first question is in the negative.
    • I would therefore answer the first question posed in the negative.
    • It provides an answer to this question in the negative.
    • But it truly saddens me that a few people have indeed asked if I am going to sue and have been more than a touch surprised when I have answered them in the negative.
    • RBC has bitten the bullet, and answered my question in the negative; he thinks he'd still be free, and wouldn't complain.
    • Posterity has tended to answer that question in the negative.
    • He was asked if he wanted to receive the Nobel and he replied in the negative which greatly surprised the other people on the show.
    • He is refused service in an antique store by an old man who answers even obvious questions in the negative.
    • The Court answered that question in the negative (with Judge Bauer dissenting).
    • To my great disappointment, his reply was in the negative.
    • She was also asked specifically as to whether or not anyone else stayed in the basement with Orville and responded in the negative.
    • He asked Mr. Sinclair if there was any complaint and Mr. Sinclair responded in the negative.
    • In my view the answer to both those questions is in the negative.
    • I nodded at the vague words I captured from her answer as I headed towards the door, only halting when I realised that she had replied in the negative.
    • Frightened, the young Ethiopian responded in the negative.
    • Citing historical evidence, Marshall answers his own query in the negative.
    • Asked if he found any involvement of the ‘foreign hand’, he replied in the negative.
    • The sceptical scribe answered in the negative; Palmer was annoyed at the dismissive response.
    • I asked many colleagues and friends if they would employ persons from the minority community and the answers were invariably in the negative.
    • I'm tall also, so I look him in the eye and reply in the negative.
    Synonyms
    no, refusal, rejection, veto
    1. 1.1often the negative A bad, unwelcome, or unpleasant quality, characteristic, or aspect of a situation or person.
      消极的特征;败事的特征
      confidence will not be instilled by harping solely on the negative

      如果只是谈及消极的一面,是无法向人灌输信心的。

      the bus trip and the positive media have not had time to turn his significant negatives around
      Example sentencesExamples
      • This was much faster than actually holding the joystick and moving it back and forth, but it did have one negative: it really hurt.
      • The only negative that people keep mentioning is that the song becomes repetitive towards the end and, as a friend just said, runs out of steam half way through.
      • The only negative about this particular concert is that the German audience doesn't really know how to respond to this music.
      • If the pessimists are right and it turns out to be a long and costly quagmire then people will remember the negatives and the pendulum will swing back the other way.
      • Of course, the heritage of many people contains negatives, particularly when they come from a country riven by war or ethnic and religious hatreds.
      • Still, the benefit of having such an amazing arsenal definitely outweighs the negatives.
      • To dwell on the negative of the situation was pointless, so I sought to find the good.
      • However the introduction of a turnover tax in transactions is a significant negative.
      • So what was intended to benefit workers was in fact a real negative in that situation.
      • The only negative is the erratic quality of the food, although Sunday brunch is invariably excellent.
      • To see and acknowledge the negative in a situation and embrace whatever positive is there - that is the true definition of courage.
      • So if the chap in Gravesend is so negative, all he will see is the negative in others.
    2. 1.2Grammar A word, affix, or phrase expressing negation.
      〔语法〕否定词,否定语,否定词缀
      Example sentencesExamples
      • A penchant for sentences with multiple negatives is one of the things that make jury instructions notoriously hard to understand.
      • Other tenses, the various modalities, and of course negatives, would be incompatible with this characterization.
      • So far then: no to adjectives being crucially involved, but yes to positives being used sarcastically to express negatives rather than the other way around.
      • Re-reading P G Wodehouse's The Code of the Woosters the other day reminded me of the many words in English which are the negatives of words whose positive forms are now obsolete or rare.
      • Hence the perceived strangeness of They could give a damn, which has no overt negative, but means the same thing as the same phrase with a negative.
    3. 1.3Logic
      another term for negation
  • 2A photographic image made on film or specially prepared glass that shows the light and shade or color values reversed from the original, and from which positive prints can be made.

    底片,负片;负像

    Example sentencesExamples
    • We collected the negatives from Mr Johnston and they were absolutely genuine.
    • Traditionally, a photomontage is a single print made by superimposing several images enlarged from different negatives.
    • In this article, I am primarily concerned with photographic prints rather than negatives.
    • This is conceivable but unlikely; there are no extant negatives, and contemporary reports stated the plates were destroyed.
    • They are one-of-a-kind photographs that cannot be easily reproduced (unlike prints from negatives or transparencies).
    • The photographer then contact prints negatives onto the platinum paper, which means the negative is put into direct contact with the paper as it is exposed by the enlarger.
    • But in fact, one almost complete set of negatives and several diaries and albums describing his extraordinary life survived.
    • Colour negatives will often lith print very well and much better than they do with other black and white printing methods.
    • Any dust on the APHS film during exposure of the enlarged negative will show in the final print as a black spot.
    • By April 1861, when the American civil war began, photography had advanced with the introduction of glass plate negatives.
    • The collection of photographic images extends to 600 glass plate negatives, dating from the Edwardian period through to the 1920s.
    • When dry, the photographer contact prints the negative onto the tissue.
    • So I stayed in yesterday evening and continued to sort through three years of photographic, prints, negatives, and scans.
    • A vast collection of black and white glass plate negatives and prints dating from the 1920s which were unearthed at a Doncaster sewage works have been donated to the town's museum and art gallery.
    • A week ago we were attacked in my apartment, the attackers went through my darkroom and took the prints and negatives of all my photographic work over the last year but they weren't that good.
    • Over the years, 8500 prints and glass plate negatives of the sisters have come to be housed there.
    • The photographers developed the infrared film and made prints from the negatives in their respective darkrooms.
    • Up until this point I have been using Kodak film and having my negatives printed off and enlarging and framing them.
    • For the iceberg photos, Steffensen used black-and-white negatives but printed the images with color photographic chemicals.
    • Sugiura often uses the photogram as a paper negative to print a positive, in which the subject becomes a black silhouette.
  • 3A result of a test or experiment indicating that a certain substance is not present or a certain condition does not exist.

    (实验或测试的结果)阴性的

    the percentage of false negatives generated by a cancer test was of great concern

    癌症检测中假阴性的比例之高让人极为关注。

    Example sentencesExamples
    • I'm sure there are some false negatives there, but if this is mostly about right, this means that at least half of the people who visit our site are now regular readers.
    • The first problem leads to false positives, whereas the second and third generate false negatives.
    • I don't think so, because DNA evidence is so accurate that I think that having false negatives is a rarity.
    • Now, I mean, I do not know how the case was presented, but let us assume that there are flesh tests, and you may get false negatives.
    • To account for the possibility of false negatives, a test should be done more than 3 months after exposure.
    • With recurrent episodes, when less virus is present, the rate of false negatives goes up to 50%.
    • False negatives, on the other hand, create a sense of security that is certainly sometimes unwarranted.
    • However, repeat cultures should be obtained to confirm that the earlier culture result was correct and not a false negative.
    • No meat will reach the market unless it has tested a clear negative.
    • Both assays have an amplification control that will indicate inhibition to prevent reporting false negatives.
    • Using the suggested limits of normality may result in an unnecessarily large number of false negatives.
    • Most doctors chose to remove all surrounding lymph nodes instead of running the risk of a false negative.
    • To avoid false negatives, in each FISH experiment the same hybridization mixture, with combined probes, was used in slides made from different species.
    • This would, according to the present model, reduce a significant amount of false negatives.
    • However, you have to trade this off against the effects on people who got false negatives if the test were not biased to produce every possible positive.
    • Several compounds added to urine may create false negatives, but laboratories now test for them.
    • These results demonstrate that false negatives are possible with radiological tests for ovarian carcinoma.
    • Testing on specimens with rare atypical cells may produce false negatives.
    • This minimizes false negatives, but, to interpret the search results accurately, one must be willing to review individual entries carefully.
    • Is the antibody test a false positive or the histological examination a false negative?
  • 4The part of an electric circuit that is at a lower electrical potential than another part designated as having zero electrical potential.

    负电

    Example sentencesExamples
    • Welding is done with direct current, electrode negative (straight polarity).
  • 5A number less than zero.

    负数

    Example sentencesExamples
    • Notice that negatives were allowed and so were decimal fractions.
    • Of course the problem which arises when one tries to consider zero and negatives as numbers is how they interact in regard to the operations of arithmetic, addition, subtraction, multiplication and division.
    • Instead, you reverse the order of the numbers, subtract, and take the negative.
exclamationˈneɡədivˈnɛɡədɪv
  • No (usually used in a military context)

    常用于军事语境不,没有

    “Any snags, Captain?” “Negative, she's running like clockwork.”

    “有暗桩吗,船长?”“没有,船走得相当平稳。”

verbˈneɡədivˈnɛɡədɪv
[with object]
  • 1Reject; refuse to accept; veto.

    否定;否认;否决

    the bill was negatived by 130 votes to 129

    在进行二读时,这项议案以130票对129票被否决。

    Example sentencesExamples
    • Having said that, there seems to be a good deal to be said for John McMullen's argument for a statutory provision to negative the application of frustration.
    • So when these things happen, one does not say: that was an extraordinary coincidence, which negatived the causal connection between the original act of accumulating the polluting substance and its escape.
    • It will be seen that the second answer negatives the conclusion of the first, since the Act is concerned with the purpose of the alteration irrespective of whose purpose it is.
    • It did not refer in any way to the Crown having to negative a claim of right and it did not identify the facts or knowledge relied upon for saying that the application was dishonest.
    • Equally it is clear that the duty to secure mainstream schooling in section 316 has been negatived by the mother's objections.
    • Reflecting laissez-faire philosophy, s. 55 of the 1893 Act allowed the implied conditions to be freely negatived or varied by express agreement or by the course of dealing between the parties, or by usage.
    • After that, the bill was recommitted and my amendment was negatived.
    • In Chiredzi North, the judge said that corrupt practices had not been proved, but the widespread violence and intimidation of the electorate negatived the concept of a free election, and she therefore declared the election void.
    • It was not suggested that the possibility of a fall in the market was unforeseeable or that there was any other factor which negatived the causal connection between lending and losing the money.
    Synonyms
    reject, turn down, say ‘no’ to, refuse, veto, squash
    1. 1.1 Disprove; contradict.
      反对;反驳
      the insurer's main arguments were negatived by Lawrence

      承保人的主要论据遭到了劳伦斯的驳斥。

      Example sentencesExamples
      • Either aspect of mistake, whether it be mistake as contended for, or as referred to by the trial judge here, or as we would contend for, is something which has to be negatived, if raised, of course.
      • Yes, in the sense that the accused would raise the defence on a balance of probabilities, the Crown would seek to negative that beyond reasonable doubt.
      • Again it was to prove a fickle promise as Costello negatived it at the other end just five minutes later.
      • However, the trial judge found that the Crown had negatived the defence of self-defence as he found the complainant both credible and reliable and most importantly he found the incident to have occurred as the complainant had outlined.
      Synonyms
      disprove, prove to be false, show to be false, give the lie to, belie, invalidate, call into question, refute, rebut, discredit, explode
  • 2Render ineffective; neutralize.

    消除;抵消

    should criminal law allow consent to negative what would otherwise be a crime?

    刑法难道能允许抵消罪行吗?

    Example sentencesExamples
    • He acknowledges the GAA's attempt to speed up the game with the free and line-ball from the hand, but feels it has been negatived by stoppages for lectures and cards.
    • It will be found, I think, on examination that there is no case in which the circumstances have been such as I have suggested where the liability has been negatived.
    • It is not negatived by some entirely speculative statistical approach by saying that you did not expect it would happen.
    • It is right to acknowledge, however, that the contractual position as between the parties may also negative the imposition of a duty of care in tort.
    • On the restart Maynooth's Cummins had the opening score when he slotted over a fine point but this was negatived two minutes later when Tullow midfielder Conor Doyle shot over a glorious point from out on the right wing.
    • Cleland is the personification of more than Kerry's war bona fides; he is the living witness to negative Republican tactics.
    • In considering the question whether there was a reasonable possibility of inspection, it is not open to the claimants to say that they reasonably relied on competent advisers and on that account the duty is not negatived.
    • The general rule is thus that consent may negative assault or battery, but not a more serious offence.
    • The question, therefore, is whether, although not expressly negatived, the need for a mental element is negatived by necessary implication.
    • I do not accept the argument that the provisions of cl. 5 negative the existence of a specific charge.
    • Where V consents only as a result of D's threats or as a result of fear, this will negative consent.
    • Pat Coady posted Carlow in front with a pointed free after two minutes, a score which Jack O'Shea negatived three minutes later.
    • However, the real drama was to come with the referee the focus of attention after an Eoin Kelly point was negatived by the Limerick full-back T.J. Ryan.
    • Derek Mooney and Gavin Smullen converted frees but Dooley negatived one of them at the other end.
    • The existence of damage to the plants at that side of the field thus negatived the Claimant's case as to causation.
    • In the case at bar, it was the facts proved mainly by the plaintiffs that in my view, negatived a claim based on mistake, and raised an Estoppel.
    • But what part of the constitution negatives a contract?
    • In his view these contractual provisions reinforced rather than negatived the existence of a duty of care by the sub-contractors towards the employers in the circumstances of that case.
    • The defendant did not have an opportunity to offer evidence at the trial that would have negatived an application of the theory to the circumstances of the case.
    • It is a dreadful initiative in policy terms, but electorally appears to have been successful in negativing any northern suburb's fears about Labor being soft on crime.
    Synonyms
    cancel out, neutralize, counteract, nullify, negate, render ineffective

Origin

Late Middle English: from late Latin negativus, from negare ‘deny’ (see negate).

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