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Christmas disease Line breaks: Christ|mas dis|ease
Pronunciation: /ˈkrɪsməsdɪziːz/

Entry from British & World English dictionary

Definition of Christmas disease in English:


[mass noun]
A form of haemophilia caused by deficiency of the blood-clotting factor IX rather than the more common factor VIII.


1950s: from the name of Stephen Christmas, the first patient examined in detail.

Definition of Christmas disease in:

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