Definition of pentose in English:


Line breaks: pen|tose
Pronunciation: /ˈpɛntəʊz
, -s/


  • Any of the class of simple sugars whose molecules contain five carbon atoms, such as ribose and xylose. They generally have the chemical formula C5H10O5.
    More example sentences
    • The pentose sugars, whose molecules contain only five carbon atoms instead of six, caramelize very well.
    • The salvage pathways combine adenine with a pentose to alter the adenosine nucleotide pool inventory.
    • The pentose phosphate pathway is primarily an anabolic pathway that utilizes the 6 carbons of glucose to generate 5 carbon sugars and reducing equivalents.


late 19th century: from penta- 'five' + -ose2.

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