English dictionary



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English adjective: equinoctial

1. equinoctial relating to the vicinity of the equator

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


English noun: equinoctial

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


Synonymscelestial equator, equinoctial circle, equinoctial line


Broader (hypernym)great circle









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