RNA

noun \ ˌär-(ˌ)en-ˈā \

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

Origin and Etymology of rna

ribonucleic acid


RNA Defined for English Language Learners

RNA

noun

Definition of RNA for English Language Learners

  • : a substance in the cells of plants and animals that helps make proteins


Medical Dictionary

RNA

noun \ ˌär-ˌen-ˈā \

medical 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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