de·​oxy·​ri·​bose | \ (ˌ)dē-ˌäk-si-ˈrī-ˌbōs How to pronounce deoxyribose (audio) , -ˌbōz \

Definition of deoxyribose

: a pentose sugar C5H10O4 that is a structural element of DNA

Examples of deoxyribose in a Sentence

Recent Examples on the Web And their discovery of much more ribose than of any deoxyribose (the D in DNA) points to the theory that RNA is in fact the ancestor of DNA. Caroline Delbert, Popular Mechanics, "Did Hitchhiking Sugars on Asteroids Help Jumpstart Life on Earth?," 19 Nov. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'deoxyribose.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of deoxyribose

1938, in the meaning defined above

History and Etymology for deoxyribose

International Scientific Vocabulary

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Time Traveler for deoxyribose

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The first known use of deoxyribose was in 1938

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Cite this Entry

“Deoxyribose.” Dictionary, Merriam-Webster, Accessed 14 May. 2021.

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More Definitions for deoxyribose


de·​oxy·​ri·​bose | \ (ˌ)dē-ˌäk-si-ˈrī-ˌbōs, -ˌbōz How to pronounce deoxyribose (audio) \
variants: also desoxyribose \ ˌdes-​ How to pronounce deoxyribose (audio) \

Medical Definition of deoxyribose

: a pentose sugar C5H10O4 that is a structural element of DNA

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