dilatation

[ dil-uh-tey-shuh n, dahy-luh- ]
/ ˌdɪl əˈteɪ ʃən, ˌdaɪ lə- /
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.
  1. an enlargement made in a body aperture or canal for surgical or medical treatment.
  2. 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.
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, dilatation and curettage, dilatator, dilate, dilation, dilation and curettage

Words related to dilatation

delay, increase, development, expansion, postponement, purview, adjunct, sweep, production, supplement, radius, arm, amplification, span, stretch, annex, spread, branch, scope, protraction

Example sentences from the Web for dilatation

Medical definitions for dilatation

dilatation
[ dĭl′ə-tā′shən, dī′lə- ]

n.

Physiological, pathological, or artificial enlargement of a cavity, canal, blood vessel, or opening.