Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun factor_x

1 sense of factor x

Sense 1
prothrombinase, factor X -- (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)
       => coagulation factor, clotting factor -- (any of the factors in the blood whose actions are essential for blood coagulation)