equinoctial
pertaining to the celestial equator.
occurring at or about the time of an equinox.
Botany. (of a flower) opening regularly at a certain hour.
Origin of equinoctial
1Other words from equinoctial
- in·ter·e·qui·noc·tial, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
British Dictionary definitions for equinoctial
/ (ˌiːkwɪˈnɒkʃəl) /
relating to or occurring at either or both equinoxes
(of a plant) having flowers that open and close at specific regular times
astronomy of or relating to the celestial equator
a storm or gale at or near an equinox
another name for celestial equator
Origin of equinoctial
1Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for equinoctial
[ ē′kwə-nŏk′shəl, ĕk′wə- ]
Relating to an equinox.
Relating to the celestial equator.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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