单词 | bromine |
释义 | bromine /broh"meen, -min/, n. Chem. an element that is a dark-reddish, fuming, toxic liquid and a member of the halogen family: obtained from natural brines and ocean water, and used chiefly in the manufacture of gasoline antiknock compounds, pharmaceuticals, and dyes. Symbol: Br; at. wt.: 79.909; at. no.: 35; sp. gr.: 3.119 at 20°C. [1827; < F brome bromine ( < Gk brômos stench) + -INE2] |
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