ˈpikrik-, -rēk- noun
Etymology: picric International Scientific Vocabulary picr- + -ic
: a bitter toxic explosive yellow crystalline strong acid C 6 H 2 (NO 2 ) 3 OH made usually by nitration of phenolsulfonic acids or chlorobenzene and used chiefly in high explosives, as a dye or biological stain, as an antiseptic, and as a precipitant for organic bases and polycyclic hydrocarbons; 2, 4, 6-trinitrophenol