ribonucleotide

noun

ri·​bo·​nu·​cle·​o·​tide ˌrī-bō-ˈnü-klē-ə-ˌtīd How to pronounce ribonucleotide (audio)
-ˈnyü-
: a nucleotide that contains ribose and occurs especially as a constituent of RNA

Example Sentences

Recent Examples on the Web In particular, exosomes transfer microRNAs (miRNAs)—small ribonucleotide polymers of about 22 bases. Philip W. Askenase, Scientific American, 17 June 2020

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

Word History

First Known Use

1929, in the meaning defined above

Time Traveler
The first known use of ribonucleotide was in 1929

Dictionary Entries Near ribonucleotide

Cite this Entry

“Ribonucleotide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ribonucleotide. Accessed 1 Dec. 2022.

Medical Definition

ribonucleotide

noun

ri·​bo·​nu·​cle·​o·​tide -ˌtīd How to pronounce ribonucleotide (audio)
: a nucleotide that contains ribose and occurs especially as a constituent of RNA
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