dilatation
[ dil-uh-tey-shuh n, dahy-luh- ]
/ ˌdɪl əˈteɪ ʃən, ˌdaɪ lə- /
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
OTHER WORDS FROM dilatation
dil·a·ta·tion·al, adjectiveWords nearby dilatation
dilapidated, dilapidation, dilatancy, dilatant, dilatate, dilatation, dilatation and curettage, dilatator, dilate, dilation, dilation and curettage
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
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.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.