Chem.
a yellow, crystalline, water-soluble, intensely bitter, poisonous acid, C 6 H 3 N 3 O 7 , used chiefly in explosives. Also called carbazotic acid, nitroxanthic acid, picronitric acid /puy"kroh nuy"trik, puy'kroh-/ , trinitrophenol .
[ 1850-55 ]