Meaning & use

declination

noun·Advanced

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A formal refusal of an offer or invitation, or a downward slope or deviation.

See it in a sentence

He sent a polite declination of the job offer.

Sailors must adjust their compass readings for magnetic declination.

A note on using this word

Has distinct technical meanings in astronomy (a star's angular distance from the celestial equator) and navigation (the angle between magnetic and true north).

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Another way to use it

2. noun

(astronomy) The angular distance of a celestial object north or south of the celestial equator.

Astronomers recorded the star's declination to pinpoint its position.

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