factor x is a noun meaning "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". It carries one recorded sense.
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
Definitions, synonyms and semantic relations for factor x come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.