/ Dictionary / Index P pathogenicity: Meaning and Definition of Find definitions for: path•o•ge•nic•i•ty Pronunciation: (path"ō-ju-nis'i-tē), [key] — n. the disease-producing capacity of a pathogen. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. pathogenic pathognomonic Related Content Daily Word Quiz: opulent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language