Definition of RNA
: any of various nucleic acids that contain ribose and uracil as structural components and are associated with the control of cellular chemical activities — compare messenger rna, ribosomal rna, transfer rna
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Origin and Etymology of rna
ribonucleic acid
RNA Defined for English Language Learners
RNA
playDefinition of RNA for English Language Learners
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: a substance in the cells of plants and animals that helps make proteins
Medical Dictionary
RNA
playMedical Definition of RNA
: any of various nucleic acids that contain ribose and uracil as structural components and are associated with the control of cellular chemical activities—called also ribonucleic acid; see messenger rna, ribosomal rna, transfer rna
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See words that rhyme with RNA Britannica.com: Encyclopedia article about RNA
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