: a clotting factor that is produced primarily in the liver under the influence of vitamin K and in its activated form is a proteolytic enzyme that converts prothrombin to thrombin in a reaction dependent on calcium ions and phospholipids and accelerated by factor V
Examples of factor X in a Sentence
Recent Examples on the Web
In Strategy 1, the revealing factor X is 3160/1600 = 1:98.
—
Nicholas Diaco, Scientific American, 20 Mar. 2018
Nicholas Diaco, Scientific American, 20 Mar. 2018
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'factor X.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near factor X
Cite this Entry
“Factor X.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/factor%20X. Accessed 5 Nov. 2024.
Copy CitationMedical Definition
factor X
noun
: a clotting factor that is produced primarily in the liver under the influence of vitamin K and in its activated form is a proteolytic enzyme that converts prothrombin to thrombin in a reaction dependent on calcium ions and phospholipids and accelerated by factor V
called also Stuart-Prower factor
Love words? Need even more definitions?
Merriam-Webster unabridged
Share