[ dee-ok-si-rahy-bohs ]

  1. any of certain carbohydrates derived from ribose by the replacement of a hydroxyl group with a hydrogen atom.

  2. the sugar, HOCH2(CHOH)2CH2CHO, obtained from DNA by hydrolysis.

Compare Meanings

Click for a side-by-side comparison of meanings. Use the word comparison feature to learn the differences between similar and commonly confused words.

Origin of deoxyribose

First recorded in 1930–35; deoxy- + ribose

Words Nearby deoxyribose Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

British Dictionary definitions for deoxyribose


desoxyribose (dɛsˌɒksɪˈraɪbəʊs, -bəʊz)

/ (diːˌɒksɪˈraɪbəʊs, -bəʊz) /

  1. 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

Scientific definitions for deoxyribose


[ dē-ŏk′sē-rībōs′ ]

  1. 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.