Definition of lactose in English:

lactose

Pronunciation: /ˈlakˌtōs//ˈlakˌtōz/

noun

Chemistry
  • A sugar present in milk. It is a disaccharide containing glucose and galactose units.

    • ‘Soymilk does not contain lactose (milk sugar) and can be drunk by those who are allergic to normal milk.’
    • ‘The enzyme lactase breaks down the lactose to galactose and glucose.’
    • ‘Some individuals may lose the ability to digest lactose and become lactose intolerant.’
    • ‘The common sugars that form part of the diet are sucrose, lactose (milk sugar), and maltose.’
    • ‘Some babies are unable to digest the sugar lactose, which is in cow's milk formulas.’

Pronunciation:

lactose

/ˈlakˌtōs//ˈlakˌtōz/