/ Dictionary / Index T transfer factor: Meaning and Definition of Find definitions for: trans'fer fac"tor Pronunciation: [key] — Immunol. Immunol. a lymphocyte product that, when extracted from T cells of an individual with immunity to a particular antigen, can confer that immunity when administered to another individual of the same species. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. transferential transfer molding Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language