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tropical year
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noun
a division of time equal to about 365 days, 5 hours, 48 minutes, and 46 seconds, representing the interval between one vernal equinox and the next.
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Also called astronomical year, e·qui·noc·tial year, so·lar year .
Origin of tropical year
First recorded in 1585–95
Words nearby tropical year
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use tropical year in a sentence
British Dictionary definitions for tropical year
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Scientific definitions for tropical year
tropical year
A solar year. See under solar time.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.