- organophosphate nerve agent - any of a series of nerve agents containing organophosphate compounds first synthesized by German chemists in 1936; in World War II the Germans tested them in concentration camps but not on the battlefield; Iraq is alleged to have used them against Iran and against the Kurds
--1 is a kind of nerve gas, nerve agent
--1 has particulars: sarin, GB; soman, GD; tabun, GA