coarctation

Noun
  1. Tight or narrow compression (synset 107328118)
    is a type of: compression, condensation, contraction - the process or result of becoming smaller or pressed together
    same as: constriction
  2. (biology) a narrowing or constriction of a vessel or canal;
    Especially a congenital narrowing of the aorta (synset 105078354)
    referred to in: biological science, biology - the science that studies living organisms
    is a type of: narrowing - an instance of becoming narrow

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