ribosomal-rna

ribosomal RNA

noun Biochemistry.
a type of RNA, distinguished by its length and abundance, functioning in protein synthesis as a component of ribosomes. Abbreviation: rRNA

Origin:
1960–65; ribosome + -al1

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World English Dictionary
ribosomal RNA
 
n
biochem Sometimes shortened to: rRNA 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

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Medical Dictionary

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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American Heritage
Science Dictionary
ribosomal RNA   (rī'bə-sō'məl)  Pronunciation Key 
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.
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