adenosine

noun

aden·​o·​sine ə-ˈde-nə-ˌsēn How to pronounce adenosine (audio)
-sən
: a nucleoside C10H13N5O4 that is a constituent of RNA and yields adenine and ribose on hydrolysis

Examples of adenosine in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The supporting cast is populated with adenosine, olives, argan oil, and more ingredients that contribute to its redness-neutralizing, wrinkle-smoothing, and suppleness-enhancing benefits. Tamim Alnuweiri, InStyle, 8 Jan. 2026 Quitting caffeine suddenly creates too much adenosine, leading to headaches and other symptoms. Ashley Olivine, Verywell Health, 5 Jan. 2026 Caffeine blocks receptors to a chemical in your body called adenosine. Sarah Klein, Outside, 1 Jan. 2026 Laduora’s own 8Pepta serum was created specifically for this purpose, ensuring safe, even delivery of peptides, niacinamide, hyaluronic acid, and adenosine. Adam Hurly, Robb Report, 29 Nov. 2025 See All Example Sentences for adenosine

Word History

Etymology

borrowed from German Adenosin, blend of Adenin adenine and Ribose ribose

First Known Use

circa 1909, in the meaning defined above

Time Traveler
The first known use of adenosine was circa 1909

Cite this Entry

“Adenosine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/adenosine. Accessed 15 Jan. 2026.

Medical Definition

adenosine

noun
aden·​o·​sine ə-ˈden-ə-ˌsēn, -sən How to pronounce adenosine (audio)
: a nucleoside C10H13N5O4 that is a constituent of RNA yielding adenine and ribose on hydrolysis
Last Updated: - Updated example sentences
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