| Galactose (n.) A white, crystalline sugar, C6H12O6, isomeric with dextrose, obtained by the decomposition of milk sugar, and also from certain gums. When oxidized it forms mucic acid. Called also lactose (though it is not lactose proper). Thesaurus Entries barley sugar, beet sugar, cellulose, clinical dextran, deoxyribose, dextran, dextrose, erythrose, fructose, galactose, glucose, glycogen, grape sugar, hydroxy aldehyde, hydroxy ketone, lactose, levulose, lyxose, maple sugar, molasses, monosaccharide, nipa sugar, pentose sugar, polysaccharide, polysaccharose, raffinose, saccharide, starch, sucrose, sugar, tree molasses, trisaccharide |