adenosine
noun
aden·o·sine
ə-ˈde-nə-ˌsēn 
-sən
: a nucleoside C10H13N5O4 that is a constituent of RNA and yields adenine and ribose on hydrolysis
Examples of adenosine in a Sentence
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Rice extract, rice bran extract, purslane extract, adenosine Best For: Discoloration, brightening, and acne-prone skin.
—
Rosa Jisoo Pyo, Vogue, 8 May 2026
Caffeine works by occupying adenosine’s receptors so the chemical cannot bind to them.
—Samantha Agate, Miami Herald, 6 May 2026
But adenosine keeps building in the background while caffeine is at work.
—Samantha Agate, Sacbee.com, 5 May 2026
The way coffee interacts with adenosine and cortisol is really complex, and can differ from person to person, depending on their biology, circumstances, and environment.
—Teresa Maalouf, Verywell Health, 29 Apr. 2026
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Rosa Jisoo Pyo, Vogue, 8 May 2026
Caffeine works by occupying adenosine’s receptors so the chemical cannot bind to them.
—Samantha Agate, Miami Herald, 6 May 2026
But adenosine keeps building in the background while caffeine is at work.
—Samantha Agate, Sacbee.com, 5 May 2026
The way coffee interacts with adenosine and cortisol is really complex, and can differ from person to person, depending on their biology, circumstances, and environment.
—Teresa Maalouf, Verywell Health, 29 Apr. 2026
See All Example Sentences for adenosine
Cite this Entry
“Adenosine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/adenosine. Accessed 20 May. 2026.
Copy CitationMedical Definition
adenosine
noun
aden·o·sine
ə-ˈden-ə-ˌsēn, -sən
: a nucleoside C10H13N5O4 that is a constituent of RNA yielding adenine and ribose on hydrolysis
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