equinoctial
- Adjective. of, or relating to an equinox.
- Adjective. (astronomy) of, or relating to the celestial or terrestrial equator.
- Noun. the great circle midway between the celestial poles; the celestial equator.
- Noun. (rare) the terrestrial equator.
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This entry was last updated on RefTopia from its source on 3/20/2012.