tropical month

noun

: a period that equals the mean time of the moon's revolution from any point of the ecliptic back to the same point and amounts to 27 days, 7 hours, 43 minutes, and 4.7 seconds of mean solar time

Word History

First Known Use

1869, in the meaning defined above

Time Traveler
The first known use of tropical month was in 1869

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Dictionary Entries Near tropical month

Cite this Entry

“Tropical month.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tropical%20month. Accessed 22 Jul. 2024.

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