- 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
OTHER WORDS FROM dilatationdil·a·ta·tion·al, adjective
Words nearby dilatation
How to use dilatation in a sentence
Patients in need of therapeutic dilatation of this sort often need a redo every year or two as scarring reaccumulates.Sounding Takes Off, but Injuries (Fork in the Penis!) Are Inevitable|Kent Sepkowitz|August 20, 2013|DAILY BEAST
It is delayed in most organic diseases of the stomach, especially in dilatation and carcinoma, but not in neuroses.A Manual of Clinical Diagnosis|James Campbell Todd
After subcutaneous or local application, a dilatation neutralised by physostigmine in moderate doses.Poisons: Their Effects and Detection|Alexander Wynter Blyth
Severing the same part causes paralysis of the vaso-motor nerves and dilatation of the blood-vessels.The Education of American Girls|Anna Callender Brackett
The caloric that penetrates a living body produces dilatation there; that is to say, universal movement.Mysterious Psychic Forces|Camille Flammarion
The first labor is generally more tedious than the succeeding ones, owing to the slower dilatation of the parts.