dilation

noun
di·​la·​tion | \ dī-ˈlā-shən How to pronounce dilation (audio) \

Definition of dilation

1 : the act or action of dilating : the state of being dilated : expansion, dilatation
2 : the action of stretching or enlarging an organ or part of the body

Examples of dilation in a Sentence

Recent Examples on the Web

Should the new law be implemented, doctors who perform dilation and evacuation abortions could face up to six years in prison as well as felony charges. Sarah Midkiff, refinery29.com, "Indiana Abortion Law Banning Second Trimester Procedures Blocked By Federal Judge," 30 June 2019 The American Civil Liberties Union of Indiana sued on behalf of two doctors who perform dilation and evacuation abortions. Tom Davies, chicagotribune.com, "Federal judge blocks Indiana ban on 2nd trimester abortion procedure," 28 June 2019 Under the law, doctors who perform dilation and evacuation abortions could face felony charges with penalties of up to six years in prison. CBS News, "Federal judge blocks Indiana's second-trimester abortion ban," 28 June 2019 That state was among a handful that proposed prohibiting the dilation and evacuation (D&E) procedure, which is used in almost all abortions performed at 15 weeks and later. Robert Barnes, BostonGlobe.com, "Supreme Court won’t revive Alabama ban on second-trimester abortion procedure," 28 June 2019 The dilation and evacuation procedure accounted for 27, or 0.35 percent, of the 7,778 abortions performed in Indiana during 2017, according to an Indiana State Department of Health report. Tom Davies, Post-Tribune, "Judge questions reasons for Indiana abortion procedure ban," 3 June 2019 Emoticons and words are poor substitutes for the body itself, though: Through gaze direction, expressions, tone of voice, posture, pupil dilation and gestures, the body is much better than language at communicating a wide range of meanings. Frans De Waal, Discover Magazine, "Cheerful Chimps: Are Animals Really Happy When They Smile?," 31 May 2019 Then there’s the theory that air pressure fluctuations can prompt changes in your body like dilation of your blood vessels, which can in turn spark migraines, Dr. Weber explains. Korin Miller, SELF, "Is It True That the Weather Can Cause a Migraine?," 3 Aug. 2018 Indiana Solicitor General Thomas Fisher started his arguments Monday with a description of how the dilation and evacuation procedure is performed on the fetus, but Barker quickly interrupted him. Tom Davies, Post-Tribune, "Judge questions reasons for Indiana abortion procedure ban," 3 June 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'dilation.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of dilation

15th century, in the meaning defined at sense 1

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Last Updated

5 Jul 2019

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The first known use of dilation was in the 15th century

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More Definitions for dilation

dilation

noun
di·​la·​tion | \ dī-ˈlā-shən How to pronounce dilation (audio) \

Medical Definition of dilation

1 : the state of being dilated : dilatation
2 : the action of stretching or enlarging an organ or part of the body cervical dilation dilation of the pupil with atropine

More from Merriam-Webster on dilation

Rhyming Dictionary: Words that rhyme with dilation

Nglish: Translation of dilation for Spanish Speakers

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