WordReference Random House Unabridged Dictionary of American English © 2026
poi′son gas′, 
  1. Chemistryany of various toxic gases, esp. those used in chemical warfare to kill or incapacitate on inhalation or contact, as phosgene, chlorine, etc.
  • 1910–15

'poison gas' also found in these entries (note: many are not synonyms or translations):
gas chamber - Halabja - blister gas - burn - diphosgene - infect - lethal chamber - mephitis
In Lists: Gases, more...

Forum discussions with the word(s) "poison gas" in the title:


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