/ Dictionary / Index C chlorpheniramine: Meaning and Definition of Find definitions for: chlor•phe•nir•a•mine Pronunciation: (klôr"fu-nir'u-mēn", klōr"-), [key] — n. Pharm. an antihistaminic compound, CHClNO, used in treating the symptoms of allergies. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. chlorous acid chlorphenol Related Content Daily Word Quiz: gregarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language