[ dee-ok-si-rahy-bohs ]
/ diˌɒk sɪˈraɪ boʊs /

noun Biochemistry.

any of certain carbohydrates derived from ribose by the replacement of a hydroxyl group with a hydrogen atom.
the sugar, HOCH2(CHOH)2CH2CHO, obtained from DNA by hydrolysis.

Origin of deoxyribose

First recorded in 1930–35; deoxy- + ribose Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for deoxyribose


desoxyribose (dɛsˌɒksɪˈraɪbəʊs, -bəʊz)

/ (diːˌɒksɪˈraɪbəʊs, -bəʊz) /


a pentose sugar obtained by the hydrolysis of DNA. Formula: C 5 H 10 O 4
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

Medical definitions for deoxyribose

[ dē-ŏk′sē-rībōs′ ]


A sugar that is a constituent of DNA.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for deoxyribose

[ dē-ŏk′sē-rībōs′ ]

The sugar found in the side chains of DNA, differing from ribose in having a hydrogen atom instead of an OH group on one of its carbon atoms. Chemical formula: C5H10O4.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.