autumnal equinox

English dictionary entry

Meanings

noun
  1. The moment when the sun appears to cross the celestial equator while tilting away from the observer, taking place in September in the northern hemisphere and March in the southern hemisphere.

Pronunciation

LL-Q1860 (eng)-Vealhurl-autumnal equinox.wav

Word forms

autumnal equinox autumnal equinoxes

Synonyms

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