Vesicant

from WordNet (r) 3.0 (2006)

vesicant
    adj 1: causing blisters [syn: {vesicatory}, {vesicant}]
    n 1: a chemical agent that causes blistering (especially mustard
         gas) [syn: {vesicant}, {vesicatory}]

from The Collaborative International Dictionary of English v.0.48

Vesicant \Ves"i*cant\, n. [L. vesica blister: cf. F.
   v['e]sicant.] (Med.)
   A vesicatory.
   [1913 Webster]

[email protected]