coarctation
Americannoun
-
Pathology.
-
a narrowing of the lumen of a blood vessel.
-
a congenital anomaly of the heart in which there is a narrowing of the aorta, resulting in abnormal blood flow.
-
-
Entomology. the condition of having the body enclosed in a hardened shell or puparium.
Etymology
Origin of coarctation
1400–50; late Middle English coartacioun pressure, constriction < Latin coar ( c ) tātiōn-, stem of coar ( c ) tātiō; see coarctate, -ion
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.
Others can be traced to a condition called coarctation or pinching of the aorta, the main artery leading from the heart.
From Time Magazine Archive
Beside, the conflux and congeries Of lesser lights a double augmentation Implies, and ’twixt them both a lessening coarctation.
From Democritus Platonissans by More, Henry
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.
