The radical resulting from detachment of the OH of the hemiacetal or hemiketal of a saccharide. Cf.:glycoside.
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gly·co·syl 'glī-kə-.sil n a monovalent radical derived from a cyclic form of glucose by removal of the hemiacetal hydroxyl group
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gly·co·syl (gliґko-sil″) the radical formed from a saccharide by removal of the anomeric hydroxyl group.Medical dictionary. 2011.