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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Typical yields are on the order of 5–10 mg RNA per mL of reaction volume, meaning that even a small (20 mL) IVT vessel can make ~150 mg per run, which is enough for millions of typical 50 µg human doses.
—
Srishti Gupta, Interesting Engineering, 19 Nov. 2025
And in 2019, a team sequenced RNA from the skin of a 14,300-year-old wolf that was preserved in permafrost.
—Katie Hunt, CNN Money, 15 Nov. 2025
Now a team of researchers has extracted from Yuka the oldest RNA molecules ever recovered, revealing traces of gene activity that survived the last ice age.
—Humberto Basilio, Scientific American, 14 Nov. 2025
This four-tone greeting is not a specific communication per-se, but the nucleotides of guanine, uracil, adenine, and cytosine, which represent the building blocks of RNA.
—Jeff Spry, Space.com, 14 Nov. 2025
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Srishti Gupta, Interesting Engineering, 19 Nov. 2025
And in 2019, a team sequenced RNA from the skin of a 14,300-year-old wolf that was preserved in permafrost.
—Katie Hunt, CNN Money, 15 Nov. 2025
Now a team of researchers has extracted from Yuka the oldest RNA molecules ever recovered, revealing traces of gene activity that survived the last ice age.
—Humberto Basilio, Scientific American, 14 Nov. 2025
This four-tone greeting is not a specific communication per-se, but the nucleotides of guanine, uracil, adenine, and cytosine, which represent the building blocks of RNA.
—Jeff Spry, Space.com, 14 Nov. 2025
See All Example Sentences for RNA
Cite this Entry
“RNA.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/RNA. Accessed 22 Nov. 2025.
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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
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