/ Dictionary / Index A alkapton: Meaning and Definition of Find definitions for: al•kap•ton Pronunciation: (al-kap'ton, -tun), [key] — n. Biochem. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: alkapton (Thesaurus) alkannin alkaptonuria Related Content Daily Word Quiz: feline Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language