a colorless, crystalline salt, AgNO, prepared by dissolving silver in dilute nitric acid and used in silver-plating and photography, as an antiseptic, etc.
See silver nitrate in American Heritage Dictionary 4
noun
A poisonous colorless crystalline compound, AgNO3, that becomes grayish black when exposed to light in the presence of organic matter and is used in manufacturing photographic film, silvering mirrors, dyeing hair, plating silver, and in medicine as a cautery and antiseptic.