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nadir 音標拼音: [n'edɚ] n. 天底,最底點,最低點 天底,最底點,最低點 nadir n 1: an extreme state of adversity; the lowest point of anything [ synonym: { nadir}, { low- water mark}] 2: the point below the observer that is directly opposite the zenith on the imaginary sphere against which celestial bodies appear to be projected [ ant: { zenith}] Nadir \ Na" dir\ ( n[= a]" d[~ e] r), n. [ F., Sp., & It. nadir; all fr. Ar. naz[ imac] ru' s samt nadir, prop., the point opposite the zenith ( as samt), in which naz[ imac] r means alike, corresponding to. Cf. { Azimuth}, { Zenith}.] 1. That point of the heavens, or lower hemisphere, directly opposite the zenith; the inferior pole of the horizon; the point of the celestial sphere directly under the place where we stand. [ 1913 Webster] 2. The lowest point; the time of greatest depression. [ 1913 Webster] The seventh century is the nadir of the human mind in Europe. -- Hallam. [ 1913 Webster] { Nadir of the sun} ( Astron.), the axis of the conical shadow projected by the earth. -- Crabb. [ 1913 Webster] 21 Moby Thesaurus words for " nadir": base, baseboard, basement, bedrock, bottom, chassis, dado, foot, footing, foundation, frame, keel, lower strata, lowest level, lowest point, mopboard, shoemold, sole, toe, underlying level, wainscot
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