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Pronunciation: man'drel, man'dril


  1. The shaft or spindle to which a tool is attached and by means of which it is rotated.
  2. In dentistry, an instrument used in a handpiece to hold a disc, stone, or cup used for grinding, smoothing, or finishing.

Synonym(s): mandrin

[G. mandra, a stable; the bed in which a ring's stone is set]

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