EQUINOCTIAL
Dictionary entry overview: What does equinoctial mean?
• EQUINOCTIAL (noun)
The noun EQUINOCTIAL has 1 sense:
1. the great circle on the celestial sphere midway between the celestial poles
Familiarity information: EQUINOCTIAL used as a noun is very rare.
• EQUINOCTIAL (adjective)
The adjective EQUINOCTIAL has 2 senses:
1. relating to the vicinity of the equator
2. relating to an equinox (when the lengths or night and day are equal)
Familiarity information: EQUINOCTIAL used as an adjective is rare.
Dictionary entry details
• EQUINOCTIAL (noun)
Meaning:
The great circle on the celestial sphere midway between the celestial poles
Classified under:
Nouns denoting spatial position
Synonyms:
celestial equator; equinoctial; equinoctial circle; equinoctial line
Hypernyms ("equinoctial" is a kind of...):
great circle (a circular line on the surface of a sphere formed by intersecting it with a plane passing through the center)
• EQUINOCTIAL (adjective)
Meaning:
Relating to the vicinity of the equator
Classified under:
Relational adjectives (pertainyms)
Pertainym:
equator (an imaginary line around the Earth forming the great circle that is equidistant from the north and south poles)
Meaning:
Relating to an equinox (when the lengths or night and day are equal)
Classified under:
Relational adjectives (pertainyms)
Pertainym:
equinox (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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