/ Dictionary / Index P pangenesis: Meaning and Definition of Find definitions for: pan•gen•e•sis Pronunciation: (pan-jen'u-sis), [key] — n. Biol. the theory that a reproductive cell contains gemmules or invisible germs that were derived from the individual cells from every part of the organism and that these gemmules are the bearers of hereditary attributes. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Pangaea Pan-Germanism Related Content Daily Word Quiz: resilient Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language