Definition of Equinox

1. Noun. Either of two times of the year when the sun crosses the plane of the earth's equator and day and night are of equal length.


2. Noun. (astronomy) either of the two celestial points at which the celestial equator intersects the ecliptic.
Exact synonyms: Equinoctial Point
Category relationships: Astronomy, Uranology
Generic synonyms: Celestial Point
Specialized synonyms: Vernal Equinox, Autumnal Equinox

Definition of Equinox

1. n. The time when the sun enters one of the equinoctial points, that is, about March 21 and September 22. See Autumnal equinox, Vernal equinox, under Autumnal and Vernal.

Definition of Equinox

1. a point on the celestial sphere [n -ES]

Lexicographical Neighbors of Equinox

equinia
equinia
equinias
equinities
equinity
equinoctial
equinoctial
equinoctials
equinoctial circle
equinoctial line
equinoctial point
equinoctial storm
equinoctial year
equinovalgus
equinovarus
equinox (current term)
equinoxes
equinus deformity
equip
equipage
equipaged
equipages
equipe
equipedal
equipes
equiphasic complex
equipment
equipments
equipment and supplies
equipment casualty

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