/ Dictionary / Index O Ochoa: Meaning and Definition of Find definitions for: O•cho•a Pronunciation: (ō-chō'u Sp. ô-chô'ä), [key] born 1905, U.S. biochemist, born in Spain: Nobel prize for medicine 1959. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: ochoa (Thesaurus) ochlophobia ochone Related Content Daily Word Quiz: opulent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language