annual variation

noun

: the yearly change in a star's mean right ascension or declination produced by precession of the equinoxes and proper motion of the star

Word History

First Known Use

1760, in the meaning defined above

Time Traveler
The first known use of annual variation was in 1760

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Dictionary Entries Near annual variation

annual sage

annual variation

annual wage

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Cite this Entry

“Annual variation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/annual%20variation. Accessed 23 Nov. 2024.

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