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Pronunciation: sep'er-a-tor


  1. That which divides or keeps apart two or more substances or prevents them from mingling.
  2. In dentistry, an instrument for forcing two teeth apart, so as to gain access to adjacent proximal walls.

Synonym(s): segregator

[L. se-paro, pp. -atus, to separate, fr. se, apart, + paro, to prepare]

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