Definition of lactose in English:

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lactose

Pronunciation: /ˈlaktəʊz/
/ˈlaktəʊs/

noun

[mass noun] Chemistry
A sugar present in milk. It is a disaccharide containing glucose and galactose units.
Example sentences
  • The common sugars that form part of the diet are sucrose, lactose (milk sugar), and maltose.
  • The enzyme lactase breaks down the lactose to galactose and glucose.
  • Soymilk does not contain lactose (milk sugar) and can be drunk by those who are allergic to normal milk.
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