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messenger RNA
noun
: an RNA produced by transcription that carries the code for a particular protein from the nuclear DNA to a ribosome in the cytoplasm and acts as a template for the formation of that protein compare transfer rna
Examples of messenger RNA in a Sentence
Recent Examples on the Web
At times over the past year and a half, messenger RNA (mRNA) vaccines have seemed almost like magic.
—Nicole Lurie, Foreign Affairs, 23 Dec. 2021
All had received between two to five doses of messenger RNA (mRNA) COVID-19 vaccines—which code for SARS-CoV-2’s spike—during the preceding 3 years.
—Byjon Cohen, science.org, 11 Oct. 2024
Half of those people will receive a messenger RNA (mRNA) injection, and half will get the new NDV nasal spray.
—Stephani Sutherland, Scientific American, 15 Oct. 2024
This discovery revealed that microRNAs can bind to messenger RNA, influencing the production of proteins critical for cellular functions.
—Nik Popli, TIME, 7 Oct. 2024
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Word History
First Known Use
1961, in the meaning defined above
Dictionary Entries Near messenger RNA
Cite this Entry
“Messenger RNA.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/messenger%20RNA. Accessed 25 Dec. 2024.
Kids Definition
messenger RNA
noun
: an RNA that carries the code for a particular protein from DNA in the nucleus to a ribosome and that acts as a pattern for the formation of that protein compare transfer rna
Medical Definition
messenger RNA
noun
: an RNA produced by transcription that carries the code for a particular protein from the nuclear DNA to a ribosome in the cytoplasm and acts as a template for the formation of that protein
called also mRNA
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Merriam-Webster unabridged
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