coarctation

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coarctation of the aorta

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Borrowed from Latin coarctātiō (“drawing or crowding together”, noun), from coarctō (“to press together, compress, contract, confine”) +‎ -ātiō (“-ation”, action noun suffix); equivalent to coarctate +‎ -ion.

• (Received Pronunciation) IPA^(key): /ˌkəʊ.ɑːkˈteɪ.ʃən/, /ˌkəʊ.ɑːkˈteɪ.ʃn̩/
• (General American) IPA^(key): /ˌkoʊˌɑɹkˈteɪ.ʃən/
• Rhymes: -eɪʃən

coarctation (countable and uncountable, plural coarctations)

1. (pathology) A congenital stricture or narrowing of a short section of the aorta.

   Synonym: stenosis

2. (obsolete) A confinement to a narrow space.
   • 1627 (indicated as 1626), Francis [Bacon], “II. Century.”, in Sylua Syluarum: Or A Naturall Historie. In Ten Centuries. , London: William Rawley ; rinted by J H for William Lee , →OCLC:

     So likewise the greatest winds, if they have no coarctation, or blow not hollow, give an interior sound

3. (obsolete) A pressure; that which presses.
   • 1691, John Ray, The Wisdom of God Manifested in the Works of the Creation. , London: Samuel Smith, , →OCLC:

     the vessel will notwithstanding continue still to beat below or beyond the coarctation

• “coarctation”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.
• “coarctation”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.

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coarctation f (plural coarctations)

1. coarctation

• “coarctation”, in Trésor de la langue française informatisé , 2012.