/ Dictionary / Index A antihemophilic factor: Meaning and Definition of Find definitions for: an•ti•he•mo•phil'ic fac"tor Pronunciation: (an"tē-hē"mu-fil'ik, -hem"u-), [key] — Biochem. Biochem. a protein that is essential to normal blood clotting and is lacking or deficient in persons having hemophilia A. Abbr.: AHF Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. antihelix antihero Related Content Daily Word Quiz: mamba Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language