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factor IX



[ -ˈnīn]



factor IX   
noun
[-ˈnīn]

Definition of factor IX

: a clotting factor that activates factor VIII and whose deficiency is associated with hemophilia

— called also Christmas factor




First Known Use of factor IX

1955, in the meaning defined above



Dictionary Entries near factor IX

factorial

factoried

factorist

factor IX

factorization

factor of production

factor of safety