DILATATION
dilation, dilatation
(noun) the act of expanding an aperture; “the dilation of the pupil of the eye”
dilatation, distension, distention
(noun) the state of being stretched beyond normal dimensions
Source: WordNet® 3.1
Etymology
Noun
dilatation (usually uncountable, plural dilatations)
Prolixity; diffuse discourse.
The act of dilating; expansion; an enlarging on all sides; the state of being dilated
Synonym: dilation
A dilation or enlargement of a canal or other organ.
Synonym: dilation
Source: Wiktionary
Dil`a*ta"tion, n. Etym: [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
3. (Anat.)
Definition: A dilation or enlargement of a canal or other organ.
Source: Webster’s Unabridged Dictionary 1913 Edition