/ Dictionary / Index H hematoporphyria: Meaning and Definition of Find definitions for: he•mat•o•por•phy•ri•a Pronunciation: (hi-mat"ō-pôr-fēr'ē-u, -fī'rē-u, hē'mu-tō-, hem"u-), [key] — n. Pathol. porphyria. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. hematopoiesis hematosis Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language