Also found in: Thesaurus, Medical, Financial, Encyclopedia, Wikipedia.
A white granular powder, AgCl, that turns dark on exposure to light and is used in photographic emulsions, photometry, and silver plating.
(Elements & Compounds) a white insoluble powder that darkens on exposure to light because of the production of metallic silver: used in making photographic emulsions and papers. Formula: AgCl
a white powder, AgCl, that darkens on exposure to light: used chiefly in photographic emulsions and in antiseptic silver preparations.