cyanide
/ˈsaɪənaɪd/noun
1- Chemistry a salt or ester of hydrocyanic acid, containing the anion CN- or the group - CN. The salts are generally extremely toxic【化】氰化物。比较NITRILE.
1.1
- mass noun sodium or potassium cyanide used as a poison or in the extraction of gold and silver氰化钠, 氰化钾。
词源
early 19th cent.: from CYANOGEN + -IDE.