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Syllabification: glu·cose
Pronunciation: /ˈɡlo͞okōs
, ˈɡlo͞okōz

Definition of glucose in English:


1A simple sugar that is an important energy source in living organisms and is a component of many carbohydrates.
Example sentences
  • Yeasts also contain a natural enzyme which will convert sucrose to its component glucose and fructose.
  • The procedure is based on the cleavage of sucrose by invertase to glucose and fructose.
  • Epidermal cells contained low concentrations of sucrose, glucose and fructose, and no fructan.
1.1A syrup containing glucose and other sugars, made by hydrolysis of starch and used in the food industry.
Example sentences
  • Mix the icing sugar, water and glucose together and bring to the boil.


mid 19th century: from French, from Greek gleukos 'sweet wine', related to glukus 'sweet'.

Definition of glucose in:

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