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Pronunciation: ă-trish′ŭn


  1. Wearing away by friction or rubbing.
  2. In dentistry, physiologic loss of tooth structure caused by the abrasive character of food or by bruxism.

[L. at-tero, pp. -tritus, to rub against, rub away]

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