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equinoctial

see definition of equinoctial
  • as incelestial equator
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Synonyms for equinoctial

noun imaginary equator in the sky
  • equator
  • equinoctial
  • equinoctial circle
  • equinoctial line
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.