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definitions

coarctation

[ koh-ahrk-tey-shuh n ]
/ ˌkoʊ ɑrkˈteɪ ʃən /

noun

Pathology.
  1. a narrowing of the lumen of a blood vessel.
  2. 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.

Nearby words

  1. coaptation,
  2. coaptation splint,
  3. coaptation suture,
  4. coarct,
  5. coarctate,
  6. coarse,
  7. coarse fish,
  8. coarse-grained,
  9. coarsen,
  10. coarser

Origin of coarctation

1400–50; late Middle English coartacioun pressure, constriction < Latin coar(c)tātiōn-, stem of coar(c)tātiō; see coarctate, -ion
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Medicine definitions for coarctation

coarctation

[ kō′ärk-tā′shən ]

n.

A constriction, stricture, or stenosis.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.