Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun poison_gas

1 sense of poison gas

Sense 1
poison gas -- (a gas that is poisonous to breath or contact; used in chemical warfare)
       => gas -- (a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely)
       => chemical weapon -- (chemical substances that can be delivered using munitions and dispersal devices to cause death or severe harm to people and animals and plants)