Longman Dictionary of Contemporary English homepage

Date: 1800-1900
Language: Latin
Origin: lac ( LACTIC) + English -ose

lactose

noun
     
Related topics: Nutrition
lac‧tose [uncountable]
DFN a type of sugar found in milk, sometimes used as a food for babies and sick people

Dictionary pictures of the day
Do you know what each of these is called?
What is the word for picture 1? What is the word for picture 2? What is the word for picture 3? What is the word for picture 4?
Click on any of the pictures above to find out what it is called.

Explore our topic dictionary