- an enlargement made in a body aperture or canal for surgical or medical treatment.
- a restoration to normal patency of an abnormally small body opening or passageway, as of the anus or esophagus.
Origin of dilatation
Related formsdil·a·ta·tion·al, adjective
Examples from the Web for dilatation
As dilatation has often to be kept up for a long time, the patient may be taught to practise this for himself.
The remaining auscultatory indications are similar to those of dilatation.
Fourthly, the rarest have been hypertrophy and hypertrophy with dilatation.Neuralgia and the Diseases that Resemble it|Francis E. Anstie
Constipation is an almost constant symptom of dilatation of the stomach.
In the majority of cases of stricture, dilatation of the gullet in front of the constricted portion soon occurs.Special Report on Diseases of the Horse|United States Department of Agriculture