- 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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for vesicant
Externally, vesicant; used in form of ointment, or tincture.Cattle and Their Diseases
It is used externally as an irritant or vesicant to the skin.Poisons: Their Effects and Detection
Alexander Wynter Blyth
Its vesicant properties are due to the presence of cantharidin.
Following this, a vesicant is employed and the subject is allowed a month's rest.Lameness of the Horse
John Victor Lacroix
It has also been used as a masticatory in toothache, paralysis of the tongue, &c. On the Continent it is used as a vesicant.
- any substance that causes blisters, used in medicine and in chemical warfare
- acting as a 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
Word Origin and History for vesicant
1660s, from Medieval Latin vesicantem (nominative vesicans), present participle of vesicare, from vesica "a bladder, a blister" (see ventral). From 1826 as an adjective.
Online Etymology Dictionary, © 2010 Douglas Harper
- 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.