D-dimer

noun

A small protein fragment present in the blood after a blood clot is degraded by fibrinolysis, used in the diagnosis of deep vein thrombosis, pulmonary embolism, etc.

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Meanings

nounD-dimer (countable and uncountable, plural D-dimers)

plural D-dimers · alternative D dimer

  1. countableuncountablemedicineA small protein fragment present in the blood after a blood clot is degraded by fibrinolysis, used in the diagnosis of deep vein thrombosis, pulmonary embolism, etc.

Origin

So named because it contains two D fragments of the fibrin protein joined by a cross-link.

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Cite this entry
APA

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

MLA

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

Chicago

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

Source: D-dimer on Wiktionary, CC BY-SA 4.0.