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polestar n. 北極星,指導者,指導原理 北極星,指導者,指導原理 polestar n 1: the brightest star in Ursa Minor; at the end of the handle of the Little Dipper; the northern axis of the earth points toward it [ synonym: { Polaris}, { North Star}, { pole star}, { polar star}, { polestar}] North \ North\, a. Lying toward the north; situated at the north, or in a northern direction from the point of observation or reckoning; proceeding toward the north, or coming from the north. [ 1913 Webster] { North following}. See { Following}, a., 2. { North pole}, that point in the heavens, or on the earth, ninety degrees from the equator toward the north. { North preceding}. See { Following}, a., 2. { North star}, the star toward which the north pole of the earth very nearly points, and which accordingly seems fixed and immovable in the sky. The star [ alpha] ( alpha) of the Little Bear, is our present north star, being distant from the pole about 1[ deg] 25', and from year to year approaching slowly nearer to it. It is called also { Cynosura}, { polestar}, and by astronomers, { Polaris}. [ 1913 Webster]
Polestar \ Pole" star`\, n. 1. Polaris, or the north star. See { North star}, under { North}. [ 1913 Webster] 2. A guide or director. [ 1913 Webster] 52 Moby Thesaurus words for " polestar": Aldebaran, Canicula, Dog Star, Hesper, Hesperus, Lucifer, North Star, Phosphor, Phosphorus, Polaris, Sirius, Venus, Vesper, artificial magnet, bar magnet, celestial body, center of attraction, center of consciousness, center of interest, comet, cynosure, daystar, electromagnetic lifting magnet, evening star, field magnet, fixed stars, focal point, focus, focus of attention, guiding star, heart, heavenly body, horseshoe magnet, hub, living sapphires, lodestar, lodestone, magnet, magnetic needle, magnetite, morning star, nerve center, orb, paramagnet, point of convergence, polar star, prime focus, seat, solenoid, sphere, starry host, stars
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