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词汇 declination
释义

Definition of declination in English:

declination

noun ˌdɛklɪˈneɪʃ(ə)nˌdɛkləˈneɪʃən
  • 1Astronomy
    The angular distance of a point north or south of the celestial equator.

    〔天文〕赤纬。比较RIGHT ASCENSION 和CELESTIAL LATITUDE

    the declination of Arcturus is 19 degrees north
    Compare with right ascension and celestial latitude
    Example sentencesExamples
    • It's easy enough to gauge an asteroid's longitude and latitude (ascension and declination in astro-speak), but figuring out its current celestial position is tricky.
    • Also every month, the Moon will reach its minimum declination at 18 north or south.
    • To calculate the distance we need to know the declination of the sun on a given day.
    • He also determined the latitude and longitude of many stars, and measured the greatest declination of the planet Mercury.
    • Consistently, equinoctial markers and alignments were made to an declination well over half a degree to the north.
    1. 1.1 The angular deviation of a compass needle from true north (because the magnetic north pole and the geographic north pole do not coincide).
      磁偏角,磁偏差
      Example sentencesExamples
      • The compass needle and a knowledge of magnetic declination, the angle between the magnetic north and geographic north, were developments from this knowledge; they were described by Shen Kua in 1088.
      • On the North Rim the difference between map and compass is 15 east, a distinction known as magnetic declination.
      • Gellibrand's most famous scientific discovery was the change over the years in magnetic declination.
      • Proposals were being made to solve the longitude problem and in 1673 one based on magnetic declination was proposed by a certain Henry Bond.
      • He also studied magnetic declination and was the first to observe the secular variation.
      Synonyms
      turning aside, turning away, turning, diversion, drawing away
  • 2Linguistics

    another term for downdrift
  • 3US Formal refusal.

    〈美,正式〉拒绝

    as modifier the mandatory vaccine declination form

    拒绝强制接种疫苗申报表。

    Example sentencesExamples
    • The actual declination letter disappeared from the file.
    Synonyms
    refusal, withholding, withdrawal

Derivatives

  • declinational

  • adjective
    • Unless the zodiacal parallel is closely reflecting a declinational parallel, the former is unlikely to work so noticeably.
      Example sentencesExamples
      • By examining the declinational placements of the planets in your chart, you should find strengths you missed by looking only to the zodiacal signs and houses.
      • This constituent expresses the effect of departure from a sinusoidal declinational motion.
      • Half a year of measurements, for instance, is sufficient to fully discriminate between the lunar and the solar declinational waves called K1 and P1.
      • Important also are planets that make contrasting declinational aspects versus the natal chart.

Origin

Late Middle English: from Latin declinatio(n-), from the verb declinare (see decline).

Definition of declination in US English:

declination

nounˌdekləˈnāSHənˌdɛkləˈneɪʃən
  • 1Astronomy
    The angular distance of a point north or south of the celestial equator.

    〔天文〕赤纬。比较RIGHT ASCENSION 和CELESTIAL LATITUDE

    Compare with right ascension and celestial latitude
    Example sentencesExamples
    • To calculate the distance we need to know the declination of the sun on a given day.
    • Consistently, equinoctial markers and alignments were made to an declination well over half a degree to the north.
    • It's easy enough to gauge an asteroid's longitude and latitude (ascension and declination in astro-speak), but figuring out its current celestial position is tricky.
    • He also determined the latitude and longitude of many stars, and measured the greatest declination of the planet Mercury.
    • Also every month, the Moon will reach its minimum declination at 18 north or south.
    1. 1.1 The angular deviation of a compass needle from true north (because the magnetic north pole and the geographic north pole do not coincide).
      磁偏角,磁偏差
      Example sentencesExamples
      • Gellibrand's most famous scientific discovery was the change over the years in magnetic declination.
      • The compass needle and a knowledge of magnetic declination, the angle between the magnetic north and geographic north, were developments from this knowledge; they were described by Shen Kua in 1088.
      • Proposals were being made to solve the longitude problem and in 1673 one based on magnetic declination was proposed by a certain Henry Bond.
      • On the North Rim the difference between map and compass is 15 east, a distinction known as magnetic declination.
      • He also studied magnetic declination and was the first to observe the secular variation.
      Synonyms
      turning aside, turning away, turning, diversion, drawing away
  • 2US Formal refusal.

    〈美,正式〉拒绝

    in the face of this declination of the proposition
    Example sentencesExamples
    • The actual declination letter disappeared from the file.
    Synonyms
    refusal, withholding, withdrawal

Origin

Late Middle English: from Latin declinatio(n-), from the verb declinare (see decline).

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