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Christmas disease

American  

noun

Pathology.

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

Christmas disease British  

noun

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

"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

Etymology

Origin of Christmas disease

1952; after S. Christmas, the first sufferer from the disease to be examined in detail

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

He then played at Boston University, but as a junior he suffered bleeding in a leg and learned that he had Christmas disease, a form of hemophilia.

From New York Times • May 19, 2018

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.