1. coarctation

noun. (biology) a narrowing or constriction of a vessel or canal; especially a congenital narrowing of the aorta.


  • expansion

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2. coarctation

noun. tight or narrow compression.


  • constriction
  • condensation
  • compression


  • wide
  • widening
  • increment

Example sentences of the word coarctation

1. Noun, singular or mass
Renal artery stenosis, which causes impaired blood flow to the kidneys, and coarctation of the aorta, a congenital condition that causes narrowing of the aorta, also lead to high blood pressure.