|Symbol: Tb; atomic number: 65; atomic weight: 158.924|
|Symbol: Ce; atomic weight: 140.12; atomic number: 58|
lactose lac·tose (lāk'tōs')
A disaccharide in milk that hydrolyzes to yield glucose and galactose. Also called milk sugar.
A white crystalline substance obtained from whey and used in infant foods and in pharmaceuticals as a diluent and excipient. Also called milk sugar.
|lactose (lāk'tōs') Pronunciation Key