chemical weapon

Từ điển WordNet v3.1 - WordNet Dictionary

noun

chemical substances that can be delivered using munitions and dispersal devices to cause death or severe harm to people and animals and plants
• Hypernyms:
weapon of mass destruction, WMD, W.M.D.
• Hyponyms:
chemical bomb, gas bomb, pepper spray, poison gas, tear gas,
teargas, lacrimator, lachrymator