Breadcrumb Home > Dictionary > Index A antihistaminic: Meaning and Definition of Find definitions for: an•ti•his•ta•min•ic Pronunciation: (an"tē-his"tu-min'ik, an"tī-), [key] — Biochem., Pharm. Biochem.,Pharm. —adj. of or pertaining to an antihistamine or its effect. —n. an antihistaminic agent, as a drug. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. antihistamine antihuman TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: variegate Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language