 equinoctial_line |
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| 1. | [ noun ] (geography) the great circle on the celestial sphere midway between the celestial poles | |
| Synonyms: | equinoctial_circle equinoctial celestial_equator | |
| Related terms: | great_circle right_ascension | |
| Similar spelling: |
equinoctial_year equinoctial_point equinoctial_circle equinoctial_storm |
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