- n chloropicrin a heavy colorless insoluble liquid compound that causes tears and vomiting; used as a pesticide and as tear gas
Century Dictionary and Cyclopedia
- n chloropicrin A pungent colorless liquid (CNO2Cl3), the vapor of which attacks the eyes powerfully. It is prepared by the action of bleaching-powder on picric acid or of nitric acid on chloral. Also called nitrochloroform.