(chemistry) Any salt or ester of cyanic acid

(chemistry) To treat or react with cyanide

(inorganic chemistry) An unstable, highly volatile, poisonous acid, HOCN, used to prepare cyanates; hydrolyzes in water to give ammonia and carbon dioxide

(chemistry) A chemical compound, NH₂CN; a white crystalline solid, soluble in water, having many commercial applications including fertilizer

A method of extracting gold and silver from their ores with a solution of sodium cyanide / A process of case-hardening iron or steel by immersing it in molten cyanide and then quenching in water or oil

(inorganic chemistry) A colourless, very poisonous, volatile liquid, HCN, used in the production of dyes, plastics and fumigants; it dissolves in water to form hydrocyanic acid and reacts with bases to form cyanides, and with some organic compounds to form nitriles.

(inorganic chemistry) An aurocyanide.

Any thermophilic red alga of class Cyanidiophyceae.

(inorganic chemistry) The potassium salt of hydrocyanic acid, KCN; the colourless crystals are soluble in water, and it is extremely poisonous, and is used in electroplating, the extraction of gold and silver from their ores, and in photography.

(organic chemistry) The compound acrylonitrile.