vesicant adjective & noun. ['vɛsɪk(ǝ)nt, 'vi:-] LME.
[from late Latin vesicant-, -ans, pres. pple of vesicare: see VESICATE, -ANT¹.]
A. adjective. Causing, or efficacious in producing, blisters; vesicatory. LME.
b. noun. A substance which produces blisters on the skin; formerly esp. (Medicine) a sharp irritating ointment, plaster, etc. Now also, such a substance as used in chemical warfare. M17.

[TahlilGaran] English Dictionary ▲