equinoctial colure

English

Noun

equinoctial colure (plural equinoctial colures)

  1. (astronomy) A meridian on the celestial sphere where the sun crosses it on equinoxes.

Coordinate terms
  • first equinoctial colure
  • second equinoctial colure
  • solstitial colure
  • first solstitial colure
  • second solstitial colure

See also
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