单词 | cyanide |
释义 | cyanide/ˈsʌɪənʌɪd![]() noun Chemistry 1A salt or ester of hydrocyanic acid, containing the anion CN− or the group —CN. The salts are generally extremely toxic. Compare with nitrile.Both cyanides and nitriles have the general formula RCN with a triple bond between the carbon and nitrogen (R-CN)....
1.1 [mass noun] Sodium or potassium cyanide used as a poison or in the extraction of gold and silver.How are you applying this technique to something which has been so much in the news recently and that is the question of cyanide used for the extraction of gold?...
OriginEarly 19th century: from cyanogen + -ide. |
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