/klawr'euh pik"rin, -puy"krin, klohr'-/ , n. Chem., Mil.
a colorless, somewhat oily, water-insoluble, poisonous liquid, CCl 3 NO 2 , that causes lachrymation and headache: used as an insecticide, a fungicide, in organic synthesis, and as a war gas.
Also, chlorpicrin . Also called nitrochloroform .
[ 1885-90; CHLORO- 2 + PICR(IC ACID) + -IN 2 ]