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anomer/an·o·mer/ (an´o-mer) either of a pair of cyclic stereoisomers (designated α or β) of a sugar or glycoside, differing only in configuration at the reducing carbon atom.anomer´ic
one of two stereoisomers (designated α or β) of the furanose or pyranose form of a sugar, e.g. α-d-glucose. α-forms have −OH group of the anomeric carbon below the plane of the furanose or pyranose ring.