/ Dictionary / Index O ore dressing: Meaning and Definition of Find definitions for: ore' dress"ing Pronunciation: [key] — n. the mechanical processes by which valuable minerals are separated from ore. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. orectic Oreg. Related Content Daily Word Quiz: modify Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language