Search Result for "pentose":
Wordnet 3.0

NOUN (1)

1. any monosaccharide sugar containing five atoms of carbon per molecule; 



The Collaborative International Dictionary of English v.0.48:

Pentose \Pen"tose\, n. [Penta- + -ose.] (Chem.)
   Any of a group of sugars of the formula C5H10O5, such as as
   arabinose or ribose; -- so called from the five carbon
   atoms in the molecule. They are not fermented by yeast.
   [Webster 1913 Suppl.]