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Christmas disease

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noun Pathology.
  1. a hereditary disease characterized by an inability of the blood to clot because of a deficiency of a coagulation factor.
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Origin of Christmas disease

1952; after S. Christmas, the first sufferer from the disease to be examined in detail
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for christmas disease

Christmas disease

noun
  1. a relatively mild type of haemophilia, caused by lack of a protein (Christmas factor) implicated in the process of blood clotting
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Word Origin

C20: named after S. Christmas, the first patient suffering from the disease who was examined in detail
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

christmas disease in Medicine

Christmas disease

(krĭsməs)
n.
  1. hemophilia B