cyanide /ˈsaɪənaɪd/noun 3verb 1forms 3 noun3 •Any compound containing the -C≡N group or the CN⁻ anion. •Sodium or potassium cyanide, used in the extraction of gold and silver or as a poison.The birdies all try an' hide / But they still go for peanuts / When coated with cyanide — 1959 •Hydrogen cyanide, or cyanide gas, a poisonous gas. verb1 •To treat or poison with cyanide. formscyanided · cyaniding · cyanides
