Meaning & use

equinox

noun·Academic

Either of the two times a year when day and night are of approximately equal length everywhere.

See it in a sentence

Farmers traditionally planted certain crops around the spring equinox.

The autumn equinox falls in late September in the Northern Hemisphere.

A note on using this word

Do not confuse equinox with solstice, which marks the longest or shortest day rather than equal day and night.

Words with a similar meaning

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Words with an opposite meaning

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