/ Dictionary / Index H histolysis: Meaning and Definition of Find definitions for: his•tol•y•sis Pronunciation: (hi-stol'u-sis), [key] — n. disintegration or dissolution of organic tissues. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. histology histomorphology Related Content Daily Word Quiz: blithesome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language