equinoctial circle
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equinoctial circle — or equinoctial line n. CELESTIAL EQUATOR … English World dictionary
equinoctial circle — noun the great circle on the celestial sphere midway between the celestial poles • Syn: ↑celestial equator, ↑equinoctial line, ↑equinoctial • Derivationally related forms: ↑equinoctial (for: ↑equinoctial) … Useful english dictionary
equinoctial line — noun the great circle on the celestial sphere midway between the celestial poles • Syn: ↑celestial equator, ↑equinoctial circle, ↑equinoctial • Derivationally related forms: ↑equinoctial (for: ↑equinoctial) … Useful english dictionary
circle — Synonyms and related words: O, acquaintance, advance, alentours, alternate, ambience, ambit, anklet, annular muscle, annulus, anthelion, antisun, aphelion, apogee, arc, arena, areola, armlet, arsis, ascend, associates, astronomical longitude,… … Moby Thesaurus
equinoctial line — /ˌikwənɒkʃəl ˈlaɪn/ (say .eekwuhnokshuhl luyn) noun the celestial equator. Also, equinoctial circle …
equinoctial — Equator E*qua tor, n. [L. aequator one who equalizes: cf. F. [ e]quateur equator. See {Equate}.] 1. (Geog.) The imaginary great circle on the earth s surface, everywhere equally distant from the two poles, and dividing the earth s surface into… … The Collaborative International Dictionary of English
equinoctial line — Equator E*qua tor, n. [L. aequator one who equalizes: cf. F. [ e]quateur equator. See {Equate}.] 1. (Geog.) The imaginary great circle on the earth s surface, everywhere equally distant from the two poles, and dividing the earth s surface into… … The Collaborative International Dictionary of English
equinoctial colure — noun : the circle of 0 and 12 hours right ascension passing through the equinoctial points of the celestial sphere * * * equinoctial colure, the great circle passing through the poles and equinoctial points … Useful english dictionary
equinoctial colure — That great circle of the celestial sphere through the celestial poles and equinoxes. The hour circle of the vernal equinox. It is an imaginary point among the stars where the sun apparently crosses the equator from south to north on or about… … Aviation dictionary
equinoctial — 1. adjective a) of, or relating to an equinox b) of, or relating to the celestial or terrestrial equator 2. noun a) the … Wiktionary
