lactose
nounUK /ˈlæk.təʊs/ · US /ˈlæk.toʊs/
Etymology Borrowed from French lactose, from Latin lac (“milk”) + -ose (derivation of glucose). Coined by French chemist Marcelin Berthelot.
1
Biochemistry, Biology, Chemistry, Microbiology, Natural sciences, Physical sciences The disaccharide sugar of milk and dairy products, C₁₂H₂₂O₁₁, a product of glucose and galactose used as a food and in medicinal compounds.
- Synonyms
- lactobiose, milk sugar
- Derived terms
- allolactose, lactard, lactosamine, lactoseamine, lactose-free, lactose intolerance, lactose intolerant, lactose-negative, lactose-positive, lactoside, lactosuria