simple past tense and past participle of cyanide

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) 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.

(organic chemistry) acetonitrile.

(organic chemistry) The nitrile CO(C≡N)₂ that reacts explosively with water to form hydrogen cyanide and carbon dioxide

A lachrymatory agent introduced in World War I.

plural of cyanide process

(inorganic chemistry) The sodium salt of hydrocyanic acid, NaCN.