Meanings
nounthromboplastin (plural thromboplastins)
plural thromboplastins
- biochemistryA protease that converts prothrombin to thrombin during the clotting of blood.
Synonyms & antonyms
nounan enzyme liberated from blood platelets that converts prothrombin into thrombin as blood starts to clot
Similar
thrombokinasefactor III
Also see
Synonym sets from Open English WordNet, CC BY 4.0.
Origin
Translations
Finnish tromboplastiini
- tromboplastiinienzyme
French thromboplastine
- thromboplastineenzyme
Spanish tromboplastina
- tromboplastinaenzyme
Cite this entry
APA
thromboplastin. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/thromboplastin
MLA
“thromboplastin.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/thromboplastin. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “thromboplastin,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/thromboplastin.
Source: thromboplastin on Wiktionary, CC BY-SA 4.0.