Meaning of EQUINOX
| Pronunciation: | | 'eekwu`nâks
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 WordNet Dictionary |
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- [n] (astronomy) either of the two celestial points at which the celestial equator intersects the ecliptic
- [n] 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
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| | Synonyms: | | equinoctial point |
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| | See Also: | | autumnal equinox, autumnal equinox, celestial point, cosmic time, fall equinox, March equinox, September equinox, spring equinox, vernal equinox, vernal equinox | |
| Webster's 1913 Dictionary |
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| | Definition: | | \E"qui*nox\, n. [OE. equinoxium, equenoxium, L.
aequinoctium; aequus equal + nox, noctis, night: cf. F.
['e]quinoxe. See {Equal}, and {Night}.]
1. 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}.
When descends on the Atlantic The gigantic Stormwind
of the equinox. --Longfellow.
2. Equinoctial wind or storm. [R.] --Dryden.
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| Thesaurus Terms |
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| | Related Terms: | | aphelion, apogee, astronomical longitude, autumnal equinox, celestial equator, celestial longitude, celestial meridian, circle, colures, ecliptic, equator, equinoctial, equinoctial circle, equinoctial colure, galactic longitude, geocentric longitude, geodetic longitude, great circle, heliocentric longitude, longitude, meridian, orbit, perigee, perihelion, period, small circle, solstice, solstitial colure, summer solstice, trajectory, vernal equinox, winter solstice, zodiac, zone |
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