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equinoctial
[ ee-kwuh-nok-shuhl, ek-wuh- ]
/ ˌi kwəˈnɒk ʃəl, ˌɛk wə- /
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adjective
pertaining to the celestial equator.
occurring at or about the time of an equinox.
Botany. (of a flower) opening regularly at a certain hour.
noun
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“Was” is used for the indicative past tense of “to be,” and “were” is only used for the subjunctive past tense.
Origin of equinoctial
OTHER WORDS FROM equinoctial
in·ter·e·qui·noc·tial, adjectiveWords nearby equinoctial
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022
How to use equinoctial in a sentence
British Dictionary definitions for equinoctial
equinoctial
/ (ˌiːkwɪˈnɒkʃəl) /
adjective
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
noun
a storm or gale at or near an equinox
another name for celestial equator
Word Origin for equinoctial
C14: from Latin aequinoctiālis concerning the equinox
Collins 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
equinoctial
[ ē′kwə-nŏk′shəl, ĕk′wə- ]
Adjective
Relating to an equinox.
Relating to the celestial equator.
Noun
See celestial equator.
The American Heritage® Science Dictionary
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