/ Dictionary / Index L l-glucose: Meaning and Definition of Find definitions for: l-glu•cose Pronunciation: (el'gl"kōs), [key] — n. Chem. See under(def. 1). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. LGk lgth. Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language