/ Dictionary / Index O oleoresin: Meaning and Definition of Find definitions for: o•le•o•res•in Pronunciation: (ō"lē-ō-rez'un), [key] — n. a mixture of an essential oil and a resin, found in nature. an oil holding resin in solution, extracted from a substance, as ginger, by means of alcohol, ether, or acetone. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: oleoresin (Thesaurus) oleophilic oleoresinous Related Content Daily Word Quiz: agitated Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language