from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Any of a class of monosaccharides having five carbon atoms per molecule and including ribose and several other sugars.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A sugar or saccharide containing five carbon atoms.
from the GNU version of the Collaborative International Dictionary of English
- n. 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.
from The Century Dictionary and Cyclopedia
- n. One of a group of monosaccharides containing five atoms of carbon. They occur widely distributed in both the animal and the vegetable world. Well-known representatives are arabinose, xylose, and rhamnose.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. any monosaccharide sugar containing five atoms of carbon per molecule
penta- (“five”) + -ose (“sugar”) (Wiktionary)