mus·tard gas (m s t rd)n. An oily, volatile liquid that is corrosive to the skin and mucous membranes, causes severe, sometimes fatal respiratory damage, and was used in World War I as a chemical warfare agent. |
mustard gas
[mus′tərd]
a poisonous gas used in chemical warfare during World War I. It causes corrosive destruction of the skin and mucous membranes, often resulting in permanent respiratory damage and death.
mustard
an irritant compound derived from the dried ripe seed of Brassica (Sinapis) alba, B. nigra or B. juncea. Contains toxic allyl isothiocyanate in nontoxic glycoside form, though the plant also contains myrosinase, an enzyme that converts the glycoside to the toxic form. Used as a carminative, emetic and counterirritant in poultices.
mustard gas
one of several gases used in military activities, e.g. dichlorodiethylsulfide. Causes vesication of skin, blindness due to corneal damage, and pulmonary edema if inhaled.
mustard greens
green foliage of several mustard-type plants, used in salads.
mustard oil
present in high concentrations in mustard plants and causes acute indigestion in animals.
mustard oil glucosinolates
toxic oil glucosinolates found in plants.
sulfur mustard
a synthetic compound with vesicant and other toxic properties.
tansy mustard
see descurainia pinnata.
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