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
British Dictionary definitions for ribosomal rna
ribosomal RNA
noun
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
Medical definitions for ribosomal rna
ribosomal RNA
n.
rRNA
Scientific definitions for ribosomal rna
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.