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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The system used here involves a protein that chemically lops off a nitrogen from the base cytosine (C), converting it to something that base-pairs more like thymidine (T).
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ArsTechnica,
9 Apr. 2026
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ArsTechnica,
9 Apr. 2026
Cite this Entry
“Thymidine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/thymidine. Accessed 4 Jul. 2026.
Copy CitationMedical Definition
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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