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Christmas factor

American  

noun

Biochemistry.

  1. a blood constituent necessary for clotting, the absence of which is characterized by a hemophilialike condition.

Etymology

Origin of Christmas factor

Christmas disease

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.