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Noun: dichloroethyl sulfide
  1. A toxic war gas with sulphide based compounds that raises blisters and attacks the eyes and lungs; there is no known antidote
    - mustard gas, mustard agent, blistering agent, sulfur mustard [N. Amer], sulphur mustard [Brit, Cdn]

Derived forms: dichloroethyl sulfides

Type of: poison gas, vesicant, vesicatory