1. an insecticide [n -S] - See also: insecticide
1. A cholinesterase inhibitor that is used as an insecticide. Pharmacological action: cholinesterase inhibitor, insecticide, organothiophosphate. Chemical name: Phosphorodithioic acid, O,O-diethyl S-((ethylthio)methyl) ester (12 Dec 1998)
