declination
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English
Etymology
From Middle English declinacioun, borrowed from Middle French declination, from Latin declinatio. Doublet of declension.
Pronunciation
- IPA(key): /ˌdɛklɪˈneɪʃən/
Audio (Southern England): (file) - Rhymes: -eɪʃən
Noun
declination (countable and uncountable, plural declinations)
- At a given point, the angle between magnetic north and true north.
- Synonym: magnetic declination
- At a given point, the angle between the line connecting this point with the geographical center of the earth and the equatorial plane.
- Synonym: δ
- Coordinate term: right ascension
- A refusal.
- 1746, Arthur Collins, Letters And Memorials Of State In the Reigns of Queen Mary:
- the queen's declination from marriage
- (grammar, obsolete) Declension.
- (archaic) The act or state of bending downward; inclination.
- declination of the head
- (archaic) The act or state of falling off or declining from excellence or perfection; deterioration; decay; decline.
- 1625, Francis [Bacon], “Of Cunning”, in The Essayes , 3rd edition, London: Iohn Haviland for Hanna Barret, →OCLC:
- the declination of monarchy
- c. 1635, Edmund Waller, To My Young Lady Lucy Sidney:
- Summer […] is not looked on as a time of declination or decay.
- (archaic) Deviation.
- 1692, Richard Bentley, (please specify the sermon), London: , published 1692–1693:
- this declination of atoms in their descent
- November 2, 1690, Robert South, Sinners Inexcusable from Natural Religion Only
- every violation of and declination from the rules
Derived terms
Related terms
Translations
at a given point, the angle between magnetic north and true north
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at a given point, the angle between the line connecting this point with the geographical center of the earth and the equatorial plane
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refusal — see also refusal
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declension — see declension