transfer RNA Word Origin noun Genetics.
- a small RNA molecule, consisting of a strand of nucleotides folded into a clover-leaf shape, that picks up an unattached amino acid within the cell cytoplasm and conveys it to the ribosome for protein synthesis. Abbreviation: tRNA
Origin of transfer RNA First recorded in 1960–65 Also called soluble RNA. British Dictionary definitions for transfer rna transfer RNA noun
- biochem any of several soluble forms of RNA of low molecular weight, each of which transports a specific amino acid to a ribosome during protein synthesisSometimes shortened to: t-RNA Also called: soluble RNA See also messenger RNA, genetic code
transfer rna in Medicine transfer RNA n.
- tRNA
transfer rna in Science transfer RNA [trăns′fər]
- See under RNA.