from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A type of hemophilia that is caused by a deficiency of factor IX.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun idiomatic haemophilia B
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun a clotting disorder similar to hemophilia A but caused by a congenital deficiency of factor IX
from The American Heritage® Dictionary of the English Language, 4th Edition
[After Stephen Christmas, 20th-century British boy who was first diagnosed with it.]
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