/ Dictionary / Index P pyrometallurgy: Meaning and Definition of Find definitions for: py•ro•met•al•lur•gy Pronunciation: (pī"ru-met'l-ûr"jē), [key] — n. the process or technique of refining ores with heat so as to accelerate chemical reactions or to melt the metallic or nonmetallic content. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. pyromania pyrometer Related Content Daily Word Quiz: cygnet Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language