Dilatation

n.	1.	Prolixity; diffuse discourse.
	2.	The act of dilating; expansion; an enlarging on al sides; the state of being dilated; dilation.
	3.	(Anat.) A dilation or enlargement of a canal or other organ.

Noun	1.	dilatation - the state of being stretched beyond normal dimensions Synonyms: distention, distension
	2.	dilatation - the act of expanding an aperture; "the dilation of the pupil of the eye" Synonyms: dilation

dilate, distend, distension, distention, ectasia, ectasis, physiological condition, physiological state, tympanites, varicocele