Definition of equinoctial Equinoctial

e•qui•noc•tial

We found 12 definitions of equinoctial from 5 different sources.

What does equinoctial mean?

Adjective
equinoctial - relating to an equinox (when the lengths of night and day are equal)
equinoctial - relating to the vicinity of the equator

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equinoctial (Noun)
The great circle midway between the celestial poles; the celestial equator .
equinoctial (Noun)
The terrestrial equator.
equinoctial (Adjective)
Of or relating to an equinox.
equinoctial (Adjective)
Of or relating to a celestial or terrestrial equator.

equinoctial (a.)
Pertaining to an equinox, or the equinoxes, or to the time of equal day and night; as, the equinoctial line.
equinoctial (a.)
Pertaining to the regions or climate of the equinoctial line or equator; in or near that line; as, equinoctial heat; an equinoctial sun.
equinoctial (a.)
Pertaining to the time when the sun enters the equinoctial points; as, an equinoctial gale or storm, that is, one happening at or near the time of the equinox, in any part of the world.
equinoctial (n.)
The equinoctial line.