noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A complex that catalyzes the conversion of prothrombin to thrombin in the presence of calcium ions.
2. 2
   coagulation factor that is converted to an enzyme that converts prothrombin to thrombin in a reaction that depends on calcium ions and other coagulation factors wordnet

Synonyms

All synonyms

factor x

Etymology

From prothrombin + -ase.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.