- 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
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.