Definitions for galactosegəˈlæk toʊs
Random House Webster's College Dictionary
a white sugar, C6H12O6, obtained from milk sugar and vegetable mucilage.
Origin of galactose:
1865–70; < Gk galakt-
galactose, brain sugar(noun)
a simple sugar found in lactose
A monosaccharide found, along with lactose, in dairy products, and is synthesized by the body where it is found associated with glycolipids and glycoproteins.
Origin: From γάλακτος .
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)
U.S. National Library of Medicine
An aldohexose that occurs naturally in the D-form in lactose, cerebrosides, gangliosides, and mucoproteins. Deficiency of galactosyl-1-phosphate uridyltransferase (GALACTOSE-1-PHOSPHATE URIDYL-TRANSFERASE DEFICIENCY DISEASE) causes an error in galactose metabolism called GALACTOSEMIA, resulting in elevations of galactose in the blood.