from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A pentose sugar, C5H10O5, occurring as a component of riboflavin, nucleotides, and nucleic acids.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A naturally occurring pentose sugar, which is a component of the nucleosides and nucleotides that comprise the nucleic acid biopolymer, RNA. It is also found in riboflavin.
from The Century Dictionary and Cyclopedia
- n. A syrupyl pentose, C5H10O5, formed by reducing ribonic acid with sodium amalgam and very dilute sulphuric acid.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a pentose sugar important as a component of ribonucleic acid
German, alteration of English arabinuse, a kind of sugar : (gum) arab(ic) + -in + -ose2.(American Heritage® Dictionary of the English Language, Fourth Edition)