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.
Red algae extract draws moisture deep into the skin while adenosine, a naturally occurring component of skin that supports collagen production, simultaneously smooths, soothes, and reduces the appearance of wrinkles over time. Jailynn Taylor, Allure, 13 June 2026 Normally, adenosine attaches to brain receptors and signals fatigue. Samantha Agate, Miami Herald, 11 June 2026 Rice extract, rice bran extract, purslane extract, adenosine Best For: Discoloration, brightening, and acne-prone skin. Rosa Jisoo Pyo, Vogue, 8 May 2026 But adenosine keeps building in the background while caffeine is at work. Samantha Agate, Sacbee.com, 5 May 2026 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 18 Jun. 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
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster