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ecliptic 音標拼音: [ɪkl'ɪptɪk] n. 黃道
a. 黃道的,蝕的 黃道黃道的,蝕的 ecliptic n 1: the great circle representing the apparent annual path of the sun; the plane of the Earth' s orbit around the sun; makes an angle of about 23 degrees with the equator; " all of the planets rotate the sun in approximately the same ecliptic" ecliptic \ e* clip" tic\ ([- e]* kl[ i^] p" t[ i^] k), n. [ Cf. F. [' e] cliptique, L. linea ecliptica, Gr. ' ekleiptiko` s, prop. adj., of an eclipse, because in this circle eclipses of the sun and moon take place. See { Ecliptic}, a.] 1. ( Astron.) A great circle of the celestial sphere, making an angle with the equinoctial of about 23[ deg] 28'. It is the apparent path of the sun, or the real path of the earth as seen from the sun. [ 1913 Webster] 2. ( Geog.) A great circle drawn on a terrestrial globe, making an angle of 23[ deg] 28' with the equator; -- used for illustrating and solving astronomical problems. [ 1913 Webster]
Ecliptic \ E* clip" tic\, a. [ L. eclipticus belonging to an eclipse, Gr. ' ekleiptiko` s. See { Eclipse}.] 1. Pertaining to the ecliptic; as, the ecliptic way. [ 1913 Webster] 2. Pertaining to an eclipse or to eclipses. [ 1913 Webster] { Lunar ecliptic limit} ( Astron.), the space of 12[ deg] on the moon' s orbit from the node, within which, if the moon happens to be at full, it will be eclipsed. { Solar ecliptic limit}, the space of 17[ deg] from the lunar node, within which, if a conjunction of the sun and moon occur, the sun will be eclipsed. [ 1913 Webster] 55 Moby Thesaurus words for " ecliptic": anklet, aphelion, apogee, armlet, astronomical longitude, autumnal equinox, band, belt, bracelet, celestial equator, celestial longitude, celestial meridian, cincture, cingulum, circle, collar, collarband, colures, earring, equator, equinoctial, equinoctial circle, equinoctial colure, equinox, fascia, fillet, finger ring, galactic longitude, geocentric longitude, geodetic longitude, girdle, girt, girth, great circle, heliocentric longitude, hoop, longitude, meridian, neckband, necklace, nose ring, orbit, perigee, perihelion, period, quoit, ring, small circle, solstitial colure, trajectory, vernal equinox, wristband, wristlet, zodiac, zone
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