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Pronunciation: in-ert'


  1. Slow in action; sluggish; inactive.
  2. Devoid of active chemical properties, as the inert gases.
  3. Denoting a drug or agent having no pharmacologic or therapeutic action.

[L. iners, unskillful, sluggish, fr. in, neg. + ars, art]

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