/ Dictionary / Index O Ostwald: Meaning and Definition of Find definitions for: Ost•wald Pronunciation: (ôst'vält), [key] 1853–1932, German chemist: Nobel prize 1909. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: ostwald (Thesaurus) Ostrogoth Ostyak Related Content Daily Word Quiz: penchant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language