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4 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 co·arc·ta·tion /(ˌ)koˌɑrkˈteʃən/
 狹窄; 緊壓; 縮窄

From: DICT.TW English-Chinese Medical Dictionary 英漢醫學字典

 co·arc·ta·tion /(ˌ)koˌɑrkˈteʃən/ 名詞
 縮窄

From: Webster's Revised Unabridged Dictionary (1913)

 Co·arc·ta·tion n.
 1. Confinement to a narrow space. [Obs.]
 2. Pressure; that which presses. [Obs.]
 3. Med. A stricture or narrowing, as of a canal, cavity, or orifice.
 ◄ ►

From: WordNet (r) 2.0

 coarctation
      n 1: tight or narrow compression [syn: constriction]
      2: (biology) a narrowing or constriction of a vessel or canal;
         especially a congenital narrowing of the aorta