mustard gas

/ˌmʌstərd ˈgæs/
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Definitions of mustard gas
  1. noun
    a toxic war gas with sulfide based compounds that raises blisters and attacks the eyes and lungs; there is no known antidote
    synonyms: blistering agent, dichloroethyl sulfide, mustard agent, sulfur mustard
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    type of:
    poison gas
    a gas that is poisonous to breath or contact; used in chemical warfare
    vesicant, vesicatory
    a chemical agent that causes blistering (especially mustard gas)
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