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Pronunciation: ek-spek'to-rant


  1. Promoting secretion from the mucous membrane of the air passages or facilitating its expulsion.
  2. An agent that increases bronchial secretion and facilitates its expulsion.

[L. ex, out, + pectus, chest]

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