- a substance agent that creates blistering (especially mustard gas)
- A vesicatory
- A vesicatory.
A substance which causes tissue blistering. Also known as vesicatory.
"a blistering broker," 1660s, from Medieval Latin vesicantem (nominative vesicans), present participle of vesicare, from vesica "a bladder, a blister" (see ventral). From 1826 as an adjective.
(n.) A vesicatory.