tropical year

noun

: the period occupied by the sun's center in passing from one equinox to the same again and having a mean length of 365 days, 5 hours, 48 minutes, 45.5 seconds : solar year

Word History

First Known Use

circa 1574, in the meaning defined above

Time Traveler
The first known use of tropical year was circa 1574

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Dictionary Entries Near tropical year

tropical storm

tropical year

tropic bird

See More Nearby Entries 

Cite this Entry

“Tropical year.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tropical%20year. Accessed 30 Nov. 2024.

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