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Pronunciation: eks'ka-va-tor


  1. An instrument like a large, sharp spoon or scoop, used in scraping out pathologic tissue.
  2. In dentistry, an instrument, generally a small spoon or curette, for cleaning out and shaping a carious cavity preparatory to filling.

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.