/ Dictionary / Index P plasmolysis: Meaning and Definition of Find definitions for: plas•mol•y•sis Pronunciation: (plaz-mol'u-sis), [key] — n. Bot. contraction of the protoplasm in a living cell when water is removed by exosmosis. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. plasmogamy plasmosome Related Content Daily Word Quiz: fervor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language