Skip to Content


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]

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

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