| NOUN | substance | accelerator factor, proaccelerin, prothrombin accelerator, factor V | a coagulation factor |
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| Meaning | A coagulation factor. | |
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| Synonyms | proaccelerin, prothrombin accelerator, factor V | |
| Broader | coagulation factor, clotting factor | Any of the factors in the blood whose actions are essential for blood coagulation |