| poison gas n. A gas or vapor used especially in chemical warfare to injure, disable, or kill upon inhalation or contact. |
poison gas
n
(Military) a gaseous substance, such as chlorine, phosgene, or lewisite, used in warfare to kill or harm
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. |  poison gas - a gas that is poisonous to breath or contact; used in chemical warfarechemical weapon - chemical substances that can be delivered using munitions and dispersal devices to cause death or severe harm to people and animals and plants gas - a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely blistering agent, dichloroethyl sulfide, mustard agent, mustard gas, sulfur mustard - a toxic war gas with sulfide based compounds that raises blisters and attacks the eyes and lungs; there is no known antidote nerve agent, nerve gas - a toxic gas that is inhaled or absorbed through the skin and has harmful effects on the nervous and respiratory system |
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