/ saɪənaɪd /
ETYM Cf. French cyanide. Related to Cyanic.
An extremely poisonous salt of hydrocyanic acid.
CN- ion derived from hydrogen cyanide (HCN), and any salt containing this ion (produced when hydrogen cyanide is neutralized by alkalis), such as potassium cyanide (KCN). The principal cyanides are potassium, sodium, calcium, mercury, gold, and copper. Certain cyanides are poisons.