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Medical Term:


Pronunciation: in-er'she-a, in-er'sha


  1. The tendency of a physical body to oppose any force tending to move it from a position of rest or to change its uniform motion.
  2. Denoting inactivity or lack of force, lack of mental or physical vigor, or sluggishness of thought or action.

[L. want of skill, laziness]

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.