from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A drug used to counteract the physiological effects of histamine production in allergic reactions and colds.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A drug or substance that counteracts the effects of a histamine. Commonly used to alleviate the symptoms of hay fever and other allergies.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a medicine used to treat allergies and hypersensitive reactions and colds; works by counteracting the effects of histamine on a receptor site
anti- + histamine. (Wiktionary)