Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.
Related to lactose: lactose intolerance
A white crystalline disaccharide, C12H22O11, found in milk, that may be hydrolyzed to yield glucose and galactose. Refined lactose obtained from whey is used in infant foods, bakery products, confections, and pharmaceuticals as a diluent and excipient. Also called milk sugar.
(Elements & Compounds) a white crystalline disaccharide occurring in milk and used in the manufacture of pharmaceuticals and baby foods. Formula: C12H22O11. Also called: milk sugar
1. a disaccharide, C12H22O11, present in milk, that upon hydrolysis yields glucose and galactose.
2. a white, crystalline, sweet, water-soluble commercial form of this compound obtained from whey and used in infant feedings, in confections and other foods, in bacteriological media, and in pharmacology as a diluent. Also called milk sugar.
[1855–60; < Latin lact-, s. of lac milk + -ose2]
A white crystalline sugar that is found in milk. It is used in the manufacture of various foods. ♦ The inability to properly digest lactose is called lactose intolerance. This condition is caused by a lack of the enzyme lactase and can cause stomach cramps and other symptoms.
lactose[ˈlæktəʊs] N → lactosa f
lactose[ˈlæktəʊs ˈlæktəʊz] n → lactose m
lactose[ˈlæktəʊs] n → lattosio
n. lactosa, lactina, azúcar de leche;
___ deficiency → intolerancia a la ___.