/ Dictionary / Index H histochemistry: Meaning and Definition of Find definitions for: his•to•chem•is•try Pronunciation: (his"tu-kem'u-strē), [key] — n. the branch of science dealing with the chemical components of cellular and subcellular tissue. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. histoblast histocompatibility Related Content Daily Word Quiz: belligerent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language