picric acidpic·ric acid
a poisonous, yellow, crystalline, bitter acid, CH(NO)OH, used in making dyes and explosives and in analytical chemistry
Origin of picric acidFrench picrique: see picro- and -ic
A poisonous, explosive yellow crystalline solid, C6H3N3O7, used in explosives, dyes, and for etching copper.
From French picrique, from Ancient Greek Ï€Î¹ÎºÏÏŒÏ‚ (pikros, “bitter").