dilatation

[ dil-uh-tey-shuhn, dahy-luh- ]

/ ˌdɪl əˈteɪ ʃən, ˌdaɪ lə- /

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See synonyms for dilatation on Thesaurus.com

noun

a dilated formation or part.

Pathology. an abnormal enlargement of an aperture or a canal of the body.

Surgery.

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.

Mechanics. the increase in volume per unit volume of a homogeneous substance.

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Also dilation.

Origin of dilatation

1350–1400; Middle English (<Old French ) <Latin dīlātātiōn- (stem of dīlātātiō), equivalent to dīlātāt(us) spread out (past participle of dīlātāre to dilate) + iōn--ion

OTHER WORDS FROM dilatation

dil·a·ta·tion·al, adjective

Words nearby dilatation

dilapidated, dilapidation, dilatancy, dilatant, dilatate, dilatation, dilate, dilation, dilation and extraction, dilative, dilatometer

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.
The Matron's Manual of Midwifery, and the Diseases of Women During Pregnancy and in Childbed|Frederick Hollick