noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A proteolytic enzyme that converts prothrombin into thrombin during the clotting of blood countable, uncountable
2. 2
   an enzyme liberated from blood platelets that converts prothrombin into thrombin as blood starts to clot wordnet

Synonyms

All synonyms

factor iiithromboplastinthromboplastin

Etymology

From thrombo- + kinase.

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