equinoctial

English Thesaurus

1. the great circle on the celestial sphere midway between the celestial poles (noun.location)

hypernym	:	great circle,
definition	:	a circular line on the surface of a sphere formed by intersecting it with a plane passing through the center (noun.location)

derivation	:	equinoctial,
definition	:	relating to the vicinity of the equator (adj.pert)

2. relating to an equinox (when the lengths of night and day are equal) (adj.pert)

pertainym	:	equinox,
definition	:	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 (noun.time)

derivation	:	equinox,
definition	:	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 (noun.time)

3. relating to the vicinity of the equator (adj.pert)

pertainym	:	equator,
definition	:	an imaginary line around the Earth forming the great circle that is equidistant from the north and south poles (noun.location)

derivation	:	celestial equator, equinoctial, equinoctial circle, equinoctial line,
definition	:	the great circle on the celestial sphere midway between the celestial poles (noun.location)

4. the great circle on the celestial sphere midway between the celestial poles (noun.location)

derivation	:	equinoctial,
definition	:	relating to the vicinity of the equator (adj.pert)

5. relating to an equinox (when the lengths of night and day are equal) (adj.pert)

pertainym	:	equinox,
definition	:	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 (noun.time)

derivation	:	equinox,
definition	:	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 (noun.time)

6. relating to the vicinity of the equator (adj.pert)

pertainym	:	equator,
definition	:	an imaginary line around the Earth forming the great circle that is equidistant from the north and south poles (noun.location)

derivation	:	celestial equator, equinoctial, equinoctial circle, equinoctial line,
definition	:	the great circle on the celestial sphere midway between the celestial poles (noun.location)