xylose

from WordNet (r) 3.0 (2006)

xylose
    n 1: a sugar extracted from wood or straw; used in foods for
         diabetics [syn: {wood sugar}, {xylose}]

from The Collaborative International Dictionary of English v.0.48

Xylose \Xy"lose\, n. [Pref. xylo- + -ose.] (Chem.)
   An unfermentable sugar of the pentose class, {C5H10O5},
   formed by the hydrolysis of xylan; wood sugar.
   [Webster 1913 Suppl.]