Definition of arabinose in English:

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Pronunciation: /əˈrabəˌnōs/ /ˈarəbə-/


A sugar of the pentose class that is a constituent of many plant gums.
Example sentences
  • The pretreated fiber contains sugars, mainly arabinose and xylose and some glucose.
  • The cell walls of the endosperm are composed largely of mannose, with lesser amounts of glucose, galactose and arabinose.
  • Carbon sources were either 0.2% glucose or 0.2% arabinose.


Late 19th century: from arabin, a carbohydrate derived from gum arabic, (based on gum arabic + -in1) + -ose2.

For editors and proofreaders

Syllabification: a·rab·i·nose

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