Autumnal equinox

noun

Word Frequency: 0.1

Definitions

1.nounThe 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.

Synonyms

fall equinox september equinox vernal equinox march equinox autumn equinox equinox southward equinox equinoxe spring equinox equinoctial colure northward equinox equinoxial

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