depyrimidination

noun

A process in which the chemical bond linking a pyrimidine (cytosine or thymine) to a deoxyribose sugar breaks spontaneously. It occurs at a lower rate compared to depurination with only 500 cytosine and thymine bases lost per cell per day in a typical mammalian cell.

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Meanings

noundepyrimidination (countable and uncountable, plural depyrimidinations)

plural depyrimidinations

  1. countableuncountablebiochemistryA process in which the chemical bond linking a pyrimidine (cytosine or thymine) to a deoxyribose sugar breaks spontaneously. It occurs at a lower rate compared to depurination with only 500 cytosine and thymine bases lost per cell per day in a typical mammalian cell.

Origin

From de- + pyrimidine + -ation.

Full word history & related roots →
Cite this entry
APA

depyrimidination. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/depyrimidination

MLA

“depyrimidination.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/depyrimidination. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “depyrimidination,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/depyrimidination.

Source: depyrimidination on Wiktionary, CC BY-SA 4.0.