hypercoagulability
noun
hy·per·co·ag·u·la·bil·i·ty
ˌhī-pər-kō-ˌa-gyə-lə-ˈbi-lə-tē 
: a state or condition marked by an increased tendency to form blood clots within a blood vessel : excessive coagulability
Patients can have other conditions that increase their risk of stroke such as congenital heart disease or hypercoagulability …—
Allison Horton
Allison Horton
hypercoagulable
adjective
Acute inflammation promotes a hypercoagulable state that may increase the risk of deep vein thrombosis (DVT) and pulmonary embolism.
—Marie E. Holmqvist et al.
Marie E. Holmqvist et al.
Examples of hypercoagulability in a Sentence
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These include slowed blood flow (venous stasis), vessel wall injury (endothelial damage) and thickened blood (hypercoagulability).
—Daryl Austin, USA Today, 15 Aug. 2025
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Daryl Austin, USA Today, 15 Aug. 2025
Cite this Entry
“Hypercoagulability.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hypercoagulability. Accessed 25 Sep. 2025.
Copy CitationMedical Definition
hypercoagulability
noun
hy·per·co·ag·u·la·bil·i·ty
-kō-ˌag-yə-lə-ˈbil-ət-ē
plural hypercoagulabilities
: a state or condition marked by an increased tendency to form blood clots within a blood vessel : excessive coagulability
… underscores the critical role of systemic hypercoagulability in the pathogenesis of venous embolism.—Andrew I. Schafer
Andrew I. Schafer
hypercoagulable
adjective
Acute inflammation promotes a hypercoagulable state that may increase the risk of deep vein thrombosis …
—Marie E. Holmqvist
Marie E. Holmqvist
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