Term: 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
Broader: instrument: a device that requires skill for proper use | Unrelated: third rail: a rail through which electric current is supplied to an electric locomotive
Broader: instrument: a device that requires skill for proper use | Unrelated: special education: education of physically or mentally handicapped children whose needs cannot be met in an ordinary classroom
Broader: instrument: a device that requires skill for proper use | Unrelated: surface-to-air missile: a guided missile fired from land or shipboard against an airborne target
Broader: instrument: a device that requires skill for proper use | Unrelated: tender: car attached to a locomotive to carry fuel and water
Broader: instrument: a device that requires skill for proper use | Unrelated: overall: (usually plural) work clothing consisting of denim trousers (usually with a bib and shoulder straps)
Broader: instrument: a device that requires skill for proper use | Unrelated: moor: open land usually with peaty soil covered with heather and bracken and moss
Broader: instrument: a device that requires skill for proper use | Unrelated: grate: a harsh rasping sound made by scraping something
Broader: instrument: a device that requires skill for proper use | Unrelated: fruit cocktail: a mixture of sliced or diced fruits
Broader: instrument: a device that requires skill for proper use | Unrelated: distemper: a painting created with paint that is made by mixing the pigments with water and a binder
Broader: instrument: a device that requires skill for proper use | Unrelated: collapse: a natural event caused by something suddenly falling down or caving in