lactose Meaning, Definition & Usage
-
noun a sugar comprising one glucose molecule linked to a galactose molecule; occurs only in milk
milk sugar.
- cow's milk contains about 4.7% lactose
WordNet
Lac"tose` noun
Definitions
-
(Physiol. Chem.) Sugar of milk or milk sugar; a crystalline sugar present in milk, and separable from the whey by evaporation and crystallization. It has a slightly sweet taste, is dextrorotary, and is much less soluble in water than either cane sugar or glucose. Formerly called lactin . -
(Chem.) See Galactose .
