/ Dictionary / Index A alkali metaprotein: Meaning and Definition of Find definitions for: al'kali metapro'tein Pronunciation: [key] — Biochem. Biochem. a metaprotein derived by means of a hydrolytic alkali. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. alkali metal alkalimeter Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language