RNA
noun
: 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
Examples of RNA in a Sentence
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At least one case study indicates that viral RNA can persist in human bodily fluids for years after infection.
—
Adam Kovac, Scientific American, 15 May 2026
Using spatial transcriptomics, a method that combines cell imaging with RNA sequencing, the researchers mapped which genes were active in different parts of the retinal tissue.
—Yasemin Saplakoglu, Quanta Magazine, 13 May 2026
These cross-links alter the DNA double helix, interfering with essential processes such as DNA replication and transcription (the synthesis of RNA from DNA).
—Encyclopedia Britannica, 8 May 2026
In a message sent to the Boise School District community, Central District Health alerted residents that officials had an isolated detection of measles virus RNA in wastewater collected in Ada County on April 22.
—Shannon Tyler, Idaho Statesman, 1 May 2026
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Adam Kovac, Scientific American, 15 May 2026
Using spatial transcriptomics, a method that combines cell imaging with RNA sequencing, the researchers mapped which genes were active in different parts of the retinal tissue.
—Yasemin Saplakoglu, Quanta Magazine, 13 May 2026
These cross-links alter the DNA double helix, interfering with essential processes such as DNA replication and transcription (the synthesis of RNA from DNA).
—Encyclopedia Britannica, 8 May 2026
In a message sent to the Boise School District community, Central District Health alerted residents that officials had an isolated detection of measles virus RNA in wastewater collected in Ada County on April 22.
—Shannon Tyler, Idaho Statesman, 1 May 2026
See All Example Sentences for RNA
Cite this Entry
“RNA.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/RNA. Accessed 20 May. 2026.
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RNA
noun
: any of various nucleic acids that are typically found in the cytoplasm of cells, are usually composed of a single chain of nucleotides, differ from DNA in containing ribose as the five-carbon sugar instead of deoxyribose, and that function mostly in protein synthesis
called also ribonucleic acid
compare messenger rna, ribosomal rna, transfer rnaMedical Definition
RNA
noun
: 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 rnaLove words? Need even more definitions?
Merriam-Webster unabridged
