英语词汇“calcium cyanide”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	calcium cyanide
释义	calcium cyanide calcium cyanide n. A white or colorless crystalline solid, Ca(CN)₂, used to kill insects and rodents and in the extraction of precious metals from ores. It may appear gray or black when impurities are present. calcium cyanide calcium cyanide [′kal·sē·əm ′sī·ə‚nīd] (inorganic chemistry) Ca(CN)₂In pure form, a white powder that gives off hydrogen cyanide in air at normal humidity; prepared commercially in impure black or gray flakes; used as an insecticide and rodenticide. Also known as black cyanide.
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