/ Dictionary / Index P pyrogenic: Meaning and Definition of Find definitions for: py•ro•gen•ic Pronunciation: (pī"ru-jen'ik), [key] — adj. producing or produced by heat or fever. produced by heat, as the anhydrous minerals of an igneous rock. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: pyrogenic (Thesaurus) pyrogen pyrogenous Related Content Daily Word Quiz: rustic Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language