/ Dictionary / Index P porphyritic: Meaning and Definition of Find definitions for: por•phy•rit•ic Pronunciation: (pôr"fu-rit'ik), [key] — adj. Petrol. of, pertaining to, containing, or resembling porphyry, its texture, or its structure. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: porphyritic (Thesaurus) porphyrin porphyrization Related Content Daily Word Quiz: pugilist Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language