/ Dictionary / Index O oroide: Meaning and Definition of Find definitions for: o•ro•ide Pronunciation: (ôr'ō-īd", ōr'-), [key] — n. an alloy containing copper, tin, etc., used to imitate gold. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: oroide (Thesaurus) orography orometer 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