ribosomal RNA

noun

: RNA that is a fundamental structural element of ribosomes

called also rRNA

Examples of ribosomal RNA in a Sentence

Recent Examples on the Web Archaea, eukaryotes, and eubacteria all have ribosomes, so ribosomal RNA is good for comparing different organisms. Carl Zimmer, Discover Magazine, 11 Nov. 2019 In these studies, researchers can determine whether genetic material belongs to bacteria though a biomarker called the 16s ribosomal RNA gene, which turns up only in microbes. Robert Lee Hotz, WSJ, 21 Dec. 2020 To amplify the signal of ribosomal RNA, Tosar added compounds known as ribonuclease inhibitors to the samples, which block naturally occurring enzymes from digesting RNA. Roxanne Khamsi, Scientific American, 17 June 2020

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'ribosomal RNA.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1959, in the meaning defined above

Time Traveler
The first known use of ribosomal RNA was in 1959

Dictionary Entries Near ribosomal RNA

Cite this Entry

“Ribosomal RNA.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ribosomal%20RNA. Accessed 22 Feb. 2024.

Kids Definition

ribosomal RNA

noun
ri·​bo·​som·​al RNA
ˌrī-bə-ˈsō-məl-
: an RNA that is one of the structural elements of ribosomes

called also rRNA

Medical Definition

ribosomal RNA

noun
: RNA that is a fundamental structural element of ribosomes

called also rRNA

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