Equinoctial synonyms

ē'kwə-nŏk'shəl, ĕk'wə-

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A great circle separating the northern and southern hemispheres of the celestial sphere and lying in the same plane as the Earth's equator. The celestial equator is a projection of the Earth's equator outward onto the celestial sphere and is used as the reference point in determining a celestial body's declination .
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the great circle on the celestial sphere midway between the celestial poles
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Find another word for equinoctial. In this page you can discover 6 synonyms, antonyms, idiomatic expressions, and related words for equinoctial, like: celestial-equator, equinoctial circle, equinoctial line, solsticial, solstitial and vernal-equinox.