/ Dictionary / Index P phagocytic index: Meaning and Definition of Find definitions for: phag'ocyt'ic in'dex Pronunciation: [key] the average number of bacteria ingested per phagocyte in an incubated mixture of bacteria, phagocytes, and blood serum: used in determining the opsonic index. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. phagocyte phagocytize Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language