factor ix

1. 1.

   coagulation factor whose absence is associated with hemophilia B

   SynonymsChristmas factor

   Broadercoagulation factor

Questions about factor ix

What does factor ix mean?

factor ix means "coagulation factor whose absence is associated with hemophilia B".

What is another word for factor ix?

Close synonyms include Christmas factor. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is factor ix a common word?

factor ix is banded "Uncommon" — turns up in careful writing rather than conversation. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.