equinoctial

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equinoctial

  • /ˌɛk.wɪˈnɒk.ʃəl/ UK
  • /ˌiː.kwəˈnɑk.ʃəl/ US
  • /ˌɛk.wəˈnɑk.ʃəl/ US

Where it comes from

Inherited from Middle English equinoctial, equinoccial, equinoxial, from Old French equinoxial, from Latin (circulus) aequinoctiālis, from aequinoctium + -alis.

adjective æquinoctial

  1. not comparable Of or relating to the spring or autumnal equinox. an equinoctial gale or storm, i.e. one happening at or near the time of the equinox, in any part of the world

    Similar: equinoctal, equinoxial

  2. not comparable Of or relating to the celestial equator.

    Similar: equatorial

  3. not comparable, uncommon Equatorial: of or relating to the equator of the Earth.
  4. not comparable Of flowers: that open and close at particular times of day.

noun equinoctials · æquinoctial

  1. The great circle midway between the celestial poles; the celestial equator. The scorching beams under the equinoctial, or extremity of cold within the circle Arctic, […] cannot avoid or expel this heat, fury, and rage of mortal men.
  2. rare The terrestrial equator. Nor is this vveather rare about the Æquinoctiall; by Mariners termed the Tornadoes: and tis ſo vncertaine, that novv you ſhall haue a quiet breath and gale, and ſuddenly an vnexpected violent guſt, and ſtorme, ſo fierce, that many times the ſhips vvill feele no helme.
  3. An equinoctial gale. Heavy with storm the coast-lines grew, / And sharp the equinoctials blew

Translations

Every language

adj of, or relating to an equinox

Españolequinoccial
Portuguêsequinocial
Françaiséquinoxial
Italianoequinoziale
Românăechinocțial
Русскийравноде́нственный ravnodénstvennyj

adj of, or relating to an equator

Русскийэкваториа́льный ekvatoriálʹnyj

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MLA

"equinoctial." Wiktionary, via Micwyn, micwyn.com/word/equinoctial. Accessed 6 Nov. 2026.

APA

equinoctial. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/equinoctial

Chicago

"equinoctial." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/equinoctial.

BibTeX
@misc{equinoctial_2026,
  title = {equinoctial},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/equinoctial},
  urldate = {2026-11-06}
}