nitrochloroform n 1: a heavy colorless insoluble liquid compound that causes tears and vomiting; used as a pesticide and as tear gas [syn: {chloropicrin}, {nitrochloroform}]
Nitro-chloroform \Ni`tro-chlo"ro*form\, n. [Nitro- + chloroform.] (Chem.) Same as {Chlorpicrin}. [1913 Webster]