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Noun: autumnal equinox  o'túm-nul 'ee-kwu,nóks
  1. September 22
    - September equinox, fall equinox
     
  2. (astronomy) the equinoctial point that lies in the constellation of Virgo

Type of: equinoctial point, equinox

Antonym: vernal equinox

Part of: autumn, fall [N. Amer], Sep, Sept, September

Encyclopedia: Autumnal equinox

Nearest

autotropism
autotype
autotypic
autotypy
autoworker
autumn
autumn crocus
autumn pumpkin
autumn sneezeweed
autumnal
autumnal equinox
autumn-blooming
autumn-flowering
autunite
Auvergne
auxesis
auxetic
auxiliary
auxiliary airfield
auxiliary boiler
auxiliary cell