Dictionary.com
definitions

ribose

[rahy-bohs]
noun Biochemistry.
  1. a white, crystalline, water-soluble, slightly sweet solid, C5H10O5, a pentose sugar obtained by the hydrolysis of RNA.

Origin of ribose

1890–95; < German Ribose, earlier Ribonsäure, equivalent to Ribon (from Arabinose arabinose, by arbitrary rearrangement and shortening) + Säure acid
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for ribose

ribose

noun
  1. biochem a pentose sugar that is an isomeric form of arabinose and that occurs in RNA and riboflavin. Formula: CH 2 OH(CHOH) 3 CHO

Word Origin for ribose

C20: changed from arabinose
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for ribose
n.

1892, from German Ribose (1891), from Ribonsäure, a tetrahydroxy acid, with first element shortened and arbitrarily rearranged from English arabinose (c.1880), a sugar which is so called because it is formed from gum arabic.

Online Etymology Dictionary, © 2010 Douglas Harper
ribose in Medicine

ribose

[rī′bōs′]
n.
  1. A pentose sugar occurring as a component of riboflavin, nucleotides, and nucleic acids.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
ribose in Science

ribose

[rī′bōs′]
  1. A pentose sugar with a furanose structure that occurs as a component of riboflavin and RNA. Chemical formula: C5H10O5.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.