cy·​ti·​dine | \ ˈsi-tə-ˌdēn How to pronounce cytidine (audio) , ˈsī- How to pronounce cytidine (audio) \

Definition of cytidine

: a nucleoside containing cytosine

Examples of cytidine in a Sentence

Recent Examples on the Web 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 Creating this second base editor was harder than the first because an equivalent to the cytidine deaminase used by Dr Liu, which would be needed to pull it off, does not exist in nature. The Economist, 26 Oct. 2017

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

First Known Use of cytidine

1911, in the meaning defined above

History and Etymology for cytidine

cytosine + -idine

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The first known use of cytidine was in 1911

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Cite this Entry

“Cytidine.” Dictionary, Merriam-Webster, Accessed 16 Oct. 2021.

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More Definitions for cytidine


cy·​ti·​dine | \ ˈsit-ə-ˌdēn How to pronounce cytidine (audio) , ˈsīt- How to pronounce cytidine (audio) \

Medical Definition of cytidine

: a nucleoside containing cytosine


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