Skip to Content
Medical Term:

dilation

Pronunciation: di-la'shun

Definition:

  1. Physiologic or artificial enlargement of a hollow structure or opening.
  2. The act of stretching or enlarging an opening or the lumen of a hollow structure.

Synonym(s): dilatation

[L. dilato, pp. dilatatus, to spread out, dilate]

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