/ Dictionary / Index A aminosugar: Meaning and Definition of Find definitions for: a•mi•no•su•gar Pronunciation: (u-mē'nō-shoog"ur, am'u-nō-), [key] — n. Biochem. a monosaccharide with an amino or substituted amino group in place of a nonglycosidic hydroxyl group. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. aminosuccinic acid aminotransferase Related Content Daily Word Quiz: pedagogy Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language