thymidine
noun
thy·mi·dine
ˈthī-mə-ˌdēn 
: a nucleoside C10H14N2O5 that is composed of thymine and deoxyribose and occurs as a structural part of DNA
Examples of thymidine in a Sentence
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This protein essentially lops a small part of the DNA base cytosine, or C, converting it into a thymidine, or T. That can introduce smaller and more specific mutations than CRISPR/Cas.
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John Timmer, Ars Technica, 4 Mar. 2025
The message these scientists describe includes a quick-and-dirty primer on the nature of human life itself, from the four base chemicals of DNA—adenosine, cytidine, guanosine, and thymidine—to the essential amino acids and glucose that help to power life itself.
—Caroline Delbert, Popular Mechanics, 4 Apr. 2022
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John Timmer, Ars Technica, 4 Mar. 2025
The message these scientists describe includes a quick-and-dirty primer on the nature of human life itself, from the four base chemicals of DNA—adenosine, cytidine, guanosine, and thymidine—to the essential amino acids and glucose that help to power life itself.
—Caroline Delbert, Popular Mechanics, 4 Apr. 2022
Cite this Entry
“Thymidine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/thymidine. Accessed 22 Jul. 2025.
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thymidine
noun
thy·mi·dine
ˈthī-mə-ˌdēn
: a nucleoside C10H14N2O5 that is composed of thymine and deoxyribose and occurs as a structural part of DNA
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