noun
any of the factors in the blood whose actions are essential for blood coagulation
• Syn: ↑coagulation factor
• Hypernyms: ↑plasma protein
• Hyponyms:
↑fibrinogen, ↑factor I, ↑prothrombin, ↑factor II, ↑thromboplastin, ↑thrombokinase, ↑factor III, ↑calcium ion, ↑factor IV, ↑proaccelerin, ↑prothrombin accelerator, ↑accelerator factor, ↑factor V, ↑proconvertin, ↑cothromboplastin, ↑stable factor, ↑factor VII, ↑antihemophilic factor, ↑antihaemophilic factor, ↑antihemophilic globulin, ↑antihaemophilic globulin, ↑factor VIII, ↑Hemofil, ↑Christmas factor, ↑factor IX, ↑prothrombinase, ↑factor X, ↑plasma thromboplastin antecedent, ↑factor XI, ↑Hageman factor, ↑factor XII, ↑fibrinase, ↑factor XIII
* * *
any of the substances in the blood which help it to ↑clot (= become thick and form lumps)
Useful english dictionary. 2012.