amino sugar
monosaccharide having one alcoholic hydroxy group (commonly but not necessarily in position 2) replaced by an amino group; systematically known as x-amino-x-deoxymonosaccharides. (Glycosylamines are excluded)
en-GB/əˈmiːnəʊ ˈʃʊɡə/
en-US/əˈminoʊ ˈʃʊɡɚ/