/ Dictionary / Index H histopathology: Meaning and Definition of Find definitions for: his•to•pa•thol•o•gy Pronunciation: (his"tō-pu-thol'u-jē), [key] — n. the science dealing with the histological structure of abnormal or diseased tissue; pathological histology. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. histone histophysiology Related Content Daily Word Quiz: eureka Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language