/ Dictionary / Index P pathogenesis: Meaning and Definition of Find definitions for: path•o•gen•e•sis Pronunciation: (path"u-jen'u-sis), [key] the production and development of disease. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: pathogenesis (Thesaurus) pathogen pathogenic Related Content Daily Word Quiz: cygnet Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language