Definitions for: Dilatation


[n] the act of expanding an aperture; "the dilation of the pupil of the eye"
[n] the state of being stretched beyond normal dimensions



Webster (1913) Definition: Dil`a*ta"tion, n. [OE. dilatacioun, F. dilatation,
L. dilatatio, fr. dilatare. See Dilate, and cf. 2d
Dilation.]
1. Prolixity; diffuse discourse. [Obs.] ``What needeth
greater dilatation?'' --Chaucer.

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.

Synonyms: dilation, distension

See Also: ectasia, ectasis, enlargement, expansion, mydriasis, physiological condition, physiological state, varicocele, vasodilation

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