/ Dictionary / Index G glucokinase: Meaning and Definition of Find definitions for: glu•co•ki•nase Pronunciation: (gl"kō-kī'nās, -nāz), [key] — n. Biochem. an enzyme, found in all living systems, that serves to catalyze the phosphorylation of gluconic acid. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. glucogenesis gluconeogenesis Related Content Daily Word Quiz: fervor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language