SINCE 1828
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annual variation

noun
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Definition of annual variation

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

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First Known Use of annual variation

1760, in the meaning defined above

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Time Traveler for annual variation

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 27 Jun. 2022.

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