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
Candidate hypernym: instrument: a device that requires skill for proper use → 1
Candidate hypernym: third rail: a rail through which electric current is supplied to an electric locomotive → 0
Candidate hypernym: special education: education of physically or mentally handicapped children whose needs cannot be met in an ordinary classroom → 0
Candidate hypernym: surface-to-air missile: a guided missile fired from land or shipboard against an airborne target → 0
Candidate hypernym: tender: car attached to a locomotive to carry fuel and water → 0
Candidate hypernym: overall: (usually plural) work clothing consisting of denim trousers (usually with a bib and shoulder straps) → 0
Candidate hypernym: moor: open land usually with peaty soil covered with heather and bracken and moss → 0
Candidate hypernym: grate: a harsh rasping sound made by scraping something → 0
Candidate hypernym: fruit cocktail: a mixture of sliced or diced fruits → 0
Candidate hypernym: distemper: a painting created with paint that is made by mixing the pigments with water and a binder → 0
Candidate hypernym: collapse: a natural event caused by something suddenly falling down or caving in → 0