: an irritant compound AgNO3 that in contact with organic matter turns black and is used as a chemical reagent, in photography, and in medicine especially as an antiseptic and caustic
Inorganic compound (AgNO), colourless, transparent crystals with a bitter, caustic, metallic taste. The most important silver compound, it is used to prepare other silver salts, to silver mirrors, and as a reagent in analysis. It is very soluble in water; dilute solutions are effective against gonococcal bacteria and may be applied to newborns' eyes to prevent blindness from gonorrhea. Ingesting silver nitrate causes violent abdominal pain and gastroenteritis.