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ribosomal RNA

noun, Biochemistry
1.
a type of RNA, distinguished by its length and abundance, functioning in protein synthesis as a component of ribosomes.
Abbreviation: rRNA.
Origin
1960-1965
1960-65; ribosome + -al1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for ribosomal RNA

ribosomal RNA

noun
1.
(biochem) a type of RNA thought to be transcribed from DNA in the nucleoli of cell nuclei, subsequently forming the component of ribosomes on which the translation of messenger RNA into protein chains is accomplished Sometimes shortened to rRNA
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
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ribosomal RNA in Medicine

ribosomal RNA n.
See rRNA.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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ribosomal RNA in Science
ribosomal RNA
  (rī'bə-sō'məl)   
The RNA that is a structural component of a ribosome. Comparison of gene sequences of the ribosomal RNA of different organisms has been used to determine evolutionary relationships among the organisms. See more at RNA.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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