/ Dictionary / Index O ovalbumin: Meaning and Definition of Find definitions for: ov•al•bu•min Pronunciation: (ov"al-by'min, ō"val-), [key] — n. Biochem. the principal protein of egg white. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: ovalbumin (Thesaurus) oval ovality Related Content Daily Word Quiz: blithesome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language