mustard gas

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mus·tard gas (HD),

a poisonous vesicating gas introduced in World War I; it is the progenitor of the so-called nitrogen mustards; used in chemical warfare; a known carcinogen.
Synonym(s): di, mustard (2) , sulfur mustard

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.
One of a class of cytotoxic, vesicant chemical warfare agents which form large blisters on exposed skin and respiratory tract mucosa. In addition to vesicle formation, mustard gas is mutagenic and carcinogenic and stores long term in fat.

mus·tard gas

(mŭs'tărd gas)
A commonly used term for the vesicating chemical-warfare agent sulfur mustard, even though sulfur mustard is usually encountered as a solid, a liquid, or a vapor and does not boil until 217°C (423°F).

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