poison gas
English Thesaurus
1. a gas that is poisonous to breath or contact; used in chemical warfare (noun.substance)
| hypernym | : | chemical weapon, |
| definition | : | chemical substances that can be delivered using munitions and dispersal devices to cause death or severe harm to people and animals and plants (noun.artifact) |
| hypernym | : | gas, |
| definition | : | a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely (noun.substance) |
| hyponym | : | nerve agent, nerve gas, |
| definition | : | a toxic gas that is inhaled or absorbed through the skin and has harmful effects on the nervous and respiratory system (noun.substance) |
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