mono·​nu·​cle·​o·​tide | \ ˌmä-nə-ˈnü-klē-ə-ˌtīd How to pronounce mononucleotide (audio) , -ˈnyü- \

Definition of mononucleotide

: a nucleotide that is derived from one molecule each of a nitrogenous base, a sugar, and a phosphoric acid

Examples of mononucleotide in a Sentence

Recent Examples on the Web Sinclair also takes 1 gram of NMN, or nicotinamide mononucleotide, which in the body turns into NAD+, or nicotinamide adenine dinucleotide. Sandee Lamotte, CNN, 2 June 2022 Two forms of vitamin B3 — nicotinamide riboside (NR) and nicotinamide mononucleotide (NMN) — are receiving attention for their purported effectiveness at increasing NAD levels. Washington Post, 26 Nov. 2019 On another front, a small human study recently tested the effects of NMN (nicotinamide mononucleotide), a chemical that in a 2013 Harvard study revitalized mitochondria — the power plants inside cells — in aging mice. San Diego Union-Tribune, 10 July 2019 In elderly mice, the team showed that administering a compound called nicotinamide mononucleotide, or NMN, improved blood flow, increased endurance and reversed signs of aging. Melissa Healy,, 10 July 2018 One of the most promising is NMN (nicotinamide mononucleotide), a form of vitamin B3 found in fruits and vegetables like avocado and broccoli. Anne-marie Guarnieri, Harper's BAZAAR, 27 Oct. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'mononucleotide.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of mononucleotide

1908, in the meaning defined above

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The first known use of mononucleotide was in 1908

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Cite this Entry

“Mononucleotide.” Dictionary, Merriam-Webster, Accessed 10 Aug. 2022.

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More Definitions for mononucleotide


mono·​nu·​cle·​o·​tide | \ -ˈn(y)ü-klē-ə-ˌtīd How to pronounce mononucleotide (audio) \

Medical Definition of mononucleotide

: a nucleotide that is derived from one molecule each of a nitrogenous base, a sugar, and a phosphoric acid

More from Merriam-Webster on mononucleotide Encyclopedia article about mononucleotide


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