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ribonucleoside

American  
[rahy-boh-noo-klee-uh-sahyd, -nyoo-] / ˌraɪ boʊˈnu kli əˌsaɪd, -ˈnyu- /

noun

Biochemistry.

  1. a ribonucleotide precursor that contains ribose and a purine or pyrimidine base.

Etymology

Origin of ribonucleoside

First recorded in 1930–35; ribo(nucleic acid) + nucleoside

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

These are produced in many Gammaproteobacteria by a ribonucleotide reductase that acts on the corresponding ribonucleoside triphosphates.

From Science Magazine

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.