Equinoctial line

Definition of Equinoctial line

(Astron.) the celestial equator; - so called because when the sun is on it, the nights and days are of equal length in all parts of the world. See Equator.

See also: Equinoctial

Related Words

celestial equator, equinoctial, equinoctial circle, great circle, right ascension
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Equidiurnal
Equiform
Equilateral
Equilateral hyperbola
Equilateral shell
Equilibrate
Equilibration
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Equilibrium valve
Equimomental
Equimomental cone of a given rigid body
Equimultiple
Equinal
Equine
Equinia
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Equinoctial colure
-Equinoctial line-
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Equipendency
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Equipollent
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Equiponderance
Equiponderant
Equiponderate
Equiponderous
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