[ ves-i-kuhnt ]
/ ˈvɛs ɪ kənt /


producing a blister or blisters, as a medicinal substance; vesicating.


a vesicant agent or substance.
(in chemical warfare) a chemical agent that causes burns and destruction of tissue both internally and externally.

Origin of vesicant

1655–65; <New Latin vēsīcant- (stem of vēsīcāns), present participle of vēsīcāre to vesicate; see -ant Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for vesicant

British Dictionary definitions for vesicant


vesicatory (ˈvɛsɪˌkeɪtərɪ)

/ (ˈvɛsɪkənt) /

noun plural -cants or -catories

any substance that causes blisters, used in medicine and in chemical warfare


acting as a vesicant

Word Origin for vesicant

C19: see vesica
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for vesicant

[ vĕsĭ-kənt ]


A blistering agent, especially mustard gas, used in chemical warfare.


Causing blisters.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.