equinoctial

Từ điển WordNet v3.1 - WordNet Dictionary

I - noun

the great circle on the celestial sphere midway between the celestial poles
• Syn:
celestial equator, equinoctial circle, equinoctial line
• Hypernyms:
great circle

II - adjective

1. relating to the vicinity of the equator
• Pertains to noun:
equator
2. relating to an equinox (when the lengths of night and day are equal)
• Pertains to noun:
equinox
• Derivationally related forms:
equinox

• Từ đồng nghĩa / Synonyms:
  celestial equator, equinoctial circle, equinoctial line