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Pronunciation: eks-pan'shun


  1. An increase in size as of chest or lungs.
  2. The spreading out of any structure (a tendon)).
  3. An expanse; a wide area.

[L. ex-pando, pp. -pansus, to spread out]

Further information

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