Try Our Apps


Avoid these words. Seriously.


[an-ti-his-tuh-meen, -min] /ˌæn tɪˈhɪs təˌmin, -mɪn/
noun, Physiology, Pharmacology.
any of certain compounds or medicines that neutralize or inhibit the effect of histamine in the body, used chiefly in the treatment of allergic disorders and colds.
Origin of antihistamine
First recorded in 1930-35; anti- + histamine Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
Cite This Source
Examples from the Web for antihistamine
Contemporary Examples
British Dictionary definitions for antihistamine


/ˌæntɪˈhɪstəˌmiːn; -mɪn/
any drug that neutralizes the effects of histamine, used esp in the treatment of allergies
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
Cite This Source
Word Origin and History for antihistamine

1933, from anti- + histamine.

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
antihistamine in Medicine

antihistamine an·ti·his·ta·mine (ān'tē-hĭs'tə-mēn', -mĭn)
Any of several drugs used to counteract the physiological effects of histamine.

an'ti·his'ta·mine' adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
antihistamine in Science
Any of various drugs that relieve cold or allergy symptoms by blocking the action of histamine.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source

Word of the Day

Nearby words for antihistamine

Difficulty index for antihistamine

Few English speakers likely know this word

Word Value for antihistamine

Scrabble Words With Friends