/ Dictionary / Index H hematoxylin: Meaning and Definition of Find definitions for: he•ma•tox•y•lin Pronunciation: (hē"mu-tok'su-lin, hem"u-), [key] — n. a colorless or pale-yellow, crystalline compound, CHO&syl;3HO, the coloring material of logwood: used as a mordant dye and as an indicator. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. hematothermal hematozoon 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