/ Dictionary / Index P passive transfer: Meaning and Definition of Find definitions for: pas'sive trans'fer Pronunciation: [key] injection of lymphocytes or antibody from an immune or sensitized donor to a nonimmune host in order to impart immunity or test for allergic reactions. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. passive smoking passivism Related Content Daily Word Quiz: frugal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language