Definition of "vesicant" []

• A blistering agent, especially mustard gas, used in chemical warfare. (noun)
• Causing blisters. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Injected intravenously into rabbits and mice, the mustards made the normal white cells of the blood and bone marrow almost disappear, without producing all the nasty vesicant actions, dissociating the two pharmacological effects."
• "There had been improvements since the First World War—fleets of airplanes could “spray large areas with vesicant liquids not only on military personnel but upon the civilian population as well.”"
• "Somebody on this planet had a gas which was a regurgi-tant, a sternutatory, and a vesicant all in one."