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monatomic 音标拼音: [m,ɑnət'ɑmɪk] a. 单原子的 单原子的 monatomic adj 1: of or relating to an element consisting of a single atom; "helium and argon are monatomic gases" [synonym: {monatomic}, {monoatomic}] Monatomic \Mon`a*tom"ic\, adv. [Mon- atomic.] (Chem.)
(a) Consisting of, or containing, one atom; as, the molecule of mercury is monatomic. (b) Having the equivalence or replacing power of an atom of hydrogen; univalent; as, the methyl radical is monatomic. [1913 Webster]
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