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Pronunciation: pas-iv'i-te


  1. Of a metal, the condition of having formed a protective oxide coating; rustless metals and aluminum become passive in air.
  2. In dentistry, the quality or condition of inactivity or rest assumed by the teeth, tissues, and denture when a removable partial denture is in place but not under masticatory pressure.

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