1(in a book or set of books) an alphabetical list of names, subjects, etc. with reference to the pages on which they are mentioned.

1. 1.1 An alphabetical list by title, author, or other category of a collection of books or documents, for example in a library.
   （书籍、文件等，按标题、题材、作者等依字母顺序排列的，如图书馆中的）索引
   Example sentencesExamples

   • My learned friend has drawn attention to the documents, the indices that were prepared and there was some correspondence about it.
   • Libraries that use card indices may seem archaic, but they are actually very modern.
   • A helpful index leads researchers to documents relating to their favorite subjects.
   • The authors searched several electronic indexes and reference lists of retrieved publications, and hand searched abstracts and conference proceedings.
   • Some libraries have created indexes to these works.
   • Audit documents must include an index that identifies preparers and reviewers and work completion date.
   • Disk number one contains the index for the entire collection, including small pictures of every catalogue page.
   • All library items are listed through a main author, title, and subject index.
   • The other documents included in the bundle were not accompanied by any explanatory commentary, but there was an indexto them.
   • The paleontological reprint collection is catalogued on index cards and is not yet available in computer format.
   • Could this mean that the differing titles were all the result of a long-dead library clerk having incorrectly entered the book's title details on an index card?
   • Every title deed should be documented as per this index only.
   • Examples of finding aids include collection indexes, inventories, registers and guides.
   • When the university received the documents, he says, they were in such disarray that it took years to organize the pages enough to even create an index for the collection.
   • One ongoing goal is the archiving of past issues and the maintenance of an author index online; we continue to work towards the completion of this goal.
   • Additionally, Regulation 68.2 states that audit documentation must include an index or guide to the documentation.

   Synonyms

   register, list, listing, inventory, directory, guide, key, catalogue, table of contents
2. 1.2
   short for Index Librorum Prohibitorum
3. 1.3Computing A set of items each of which specifies one of the records of a file and contains information about its address.
   〔计算机〕索引；变址
   Example sentencesExamples

   • I've used backup products with on-line indexes but no way to rebuild them from tape.
   • Each search engine has their own set of rules, algorithms, regulations, etc., that they apply to web sites that become part of their indices or databases.
   • A bit-mapped index looks like a spreadsheet with the possible values as column headings and record numbers as row headings.
   • The method includes a tag counting system for indexing structured documents and for implementing the structure indexes within the relational database.
   • This is because you need to wait for search engines to update their index with the current information.
   • To achieve the functionality, the author discusses the use of XML files to maintain and parse the index.

2A sign or measure of something.

考试成绩可作为对教师绩效的衡量。

1. 2.1 A figure in a system or scale representing the average value of specified prices, shares, or other items as compared with some reference figure.
   指数
   the hundred-shares index closed down 9.3

   一百指数收市时跌去9.3点。

   Example sentencesExamples

   • There was no price change and the index remained unchanged at 385.95.
   • Price indexes necessarily average out the extremes; they are unable to signal the more subtle price movements and they leave out relevant items such as asset prices.
   • Also because share prices and indices can be that much more volatile the consequences can be quite devastating should things go wrong.
   • And this spring, the core price indexes, which exclude food and fuel, have posted modest increases.
   • For economic and monetary policy formulation, the price index represents a central indicator.
   • Some charting features allow you to compare individual shares to indices and industry sectors.
   • Within the index increases were recorded in dwelling approvals, the share price index, and the money supply.
   • Investors can bet on individual shares or stock indices, such as the Iseq, Ftse 100, Dow Jones, or Nasdaq going up or down.
   • Companies selected to be added or removed from the index often have wide price swings resulting from investors buying and selling shares of new members.
   • These latest trends ignore the impact of oil and gasoline prices, which will begin to show up in the March and April price indexes.
   • Obviously, under these conditions monetary pumping can not generate a sustained up-trend in price indices.
   • Financial spread betting gives retail investors an opportunity to bet on individual shares, stock indices or currencies.
   • We excluded food items from the price indexes when the average household food expenditure share was not available.
   • The construction of price indices is an attempt at the impossible mission of establishing a nonexistent price level.
   • Therefore monetary expansion will distort the structure of relative prices - even if a price index does not change - and might thus precipitate crisis.
   • So this may indicate that those punters betting on shares prices, indices, commodity prices and the like actually do worse than the more traditional sports betting activities.
   • The share index rose from 894.85 points recorded the previous week, representing a rise of 3.76 per cent.
   • Despite the fact there are house price and share indices aplenty, comparing the long-term performance of these two assets is not easy.
   • The entire share prices of the listed and quoted companies remained unchanged leading the share index to remain constant.
   • The minimum wage differs from one province to another due to differing price indexes and average per capita income.
2. 2.2with modifier A number giving the magnitude of a physical property or other measured phenomenon in terms of a standard.
   （物理属性等的）指标
   the oral hygiene index was calculated as the sum of the debris and calculus indices

   口腔卫生指标曾以残屑以及牙垢指数之和计算。

   Example sentencesExamples

   • As controlling behaviour index scores increased, the proportion of women who reported experiencing violent incidents also increased.
   • The emotional response index ranges from 0.0 to 1.0.
   • By design, the composite deprivation index increases across tenths with the largest increase between tenths 9 and 10.
   • Pain management index scores were measured in one setting.
   • Although mental development index scores decreased over time for both groups of infants, children prenatally exposed to cocaine had scores that decreased faster.
   • Current care provision is inadequate, at least according to dementia care index standards, and urgent action is required.
   • First, fixation index estimates showed more random variation across generations with decreasing total numbers of populations.
   • If the history or examination suggest possible hypogonadism, free testosterone or androgen index assessment is preferred.
   • In this experiment, both sperm index evaluation and mating tests were performed on males from each of 146 different genotypes.
   • The number of cigarettes smoked has been ‘significantly related’ to the headache index score and to the number of days with headache each week.
   • ‘Diversity index scores are just a starting place for looking at diversity,’ Parker emphasizes.
   • At the end of March, the air pollution index shot up to 174, a record high.
   • Clinical assessments of the venous ulcers, based on the criteria of the severity scale, were performed and each ulcer was assigned a severity index score.
   • For instance, higher GI index foods such as a baked potato or a serving of rice with your main meal.
   • For all patients, we found no difference in respect of patient enablement index scores.
   • Likewise, pain management index scores were not associated with satisfaction in the bivariate correlation analysis.
   • Efficacy, judged by a standard disease activity index, did not fall off.
   • A total of 100 first-degree adult relatives of 40 gastric cancer index patients were recruited for the study, as were two control groups.
   • Measured stomatal conductance vs. calculated stomatal conductance index under changing light intensities.
   • Although there was a great deal of scatter, the conservation index scores decreased with increasing distance from the closest exon.

3Mathematics
An exponent or other superscript or subscript number appended to a quantity.

4A pointer on an instrument, showing a quantity, a position on a scale, etc.

1. 4.1Printing A symbol shaped like a pointing hand, used to draw attention to a note.
   〔印刷〕指示符号，参见符

1Record (names, subjects, etc.) in an index.

目录把论文按区域标题制成索引。

1. 1.1 Provide an index to.
   为…编索引
   she offered help in indexing my text book on bookselling

   data sets are indexed by subject

   Example sentencesExamples

   • They have to catalogue and index the official record with them and have to publish important decisions and functions that affect people.
   • It's indexed into four chapters, and optional English subtitles are provided.
   • Articles and essays, as well as recent book reviews, are also indexed on-line.
   • The researchers sought to highlight the importance of indexing in health education and provide information on where journals were indexed.
   • The book begins with a historical perspective on the National Medical Library, followed by a detailed explanation of the way the library indexes journal articles.
   • I fail to see what the harm is in indexing a book and helping people find it.
   • So there may be problems associated with the way it indexes saves in some cases.
   • I now feel sad and inadequate that I don't have enough bookmarks to make filing and indexing them an issue.
   • It's not indexed by name or illustrated, but no matter.
   • ‘We're trying to index every book there is, and make it searchable for our users,’ the spokesman added.
   • This field actually is a Python dictionary indexed by the name of the channel.
   • The documentary runs 33 minutes, and is indexed into five chapters.
   • Because I so copiously mark and index a book, I usually have no need of a bookmark - I simply flip through to find where the marking and indexing stop!
   • The interview runs 21 minutes and is indexed in five chapters so one can conveniently jump to specific topics.

2Link the value of (prices, wages, or other payments) automatically to the value of a price index.

3often as noun indexingno object (of a machine or part of one) move from one predetermined position to another in order to carry out a sequence of operations.