cytidine

noun

cy·​ti·​dine ˈsi-tə-ˌdēn How to pronounce cytidine (audio) ˈsī- How to pronounce cytidine (audio)
: a nucleoside containing cytosine

Examples of cytidine 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.
Early work showed molnupiravir inserts itself into RNA in place of the nucleoside cytidine, prompting errors in the copying process and causing a lethal buildup of mutations in the virus. — Robert F. Service, Science | AAAS, 11 Mar. 2021

Word History

Etymology

cytosine + -idine

First Known Use

1911, in the meaning defined above

Time Traveler
The first known use of cytidine was in 1911

Rhymes for cytidine

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Browse Nearby Words

Cytherella
cytidine
Cytinus
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Cite this Entry

“Cytidine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cytidine. Accessed 8 Jul. 2026.

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Medical Definition

cytidine

noun
cy·​ti·​dine ˈsit-ə-ˌdēn How to pronounce cytidine (audio) ˈsīt- How to pronounce cytidine (audio)
: a nucleoside containing cytosine
Last Updated: - Updated example sentences
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