1 dilation | Definition of dilation

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

The law would prevent the use of instruments used in dilation and evacuation procedures commonly performed in the second trimester. Washington Post, "Oklahoma judge upholds law banning common abortion procedure," 12 July 2019 In 2016, Alabama's legislature voted to ban a procedure known as dilation and evacuation, in which a fetus is removed in pieces. NBC News, "Supreme Court won't hear appeal to restore Alabama abortion law," 28 June 2019 For the 7% of abortions that occur later, almost all are by dilation and evacuation. CBS News, "Justices won't revive Alabama ban on abortion procedure," 28 June 2019 The order putting the Indiana law on hold was released hours after the U.S. Supreme Court declined to revive a similar law in Alabama that sought to ban dilation and evacuation abortions. Tom Davies, chicagotribune.com, "Federal judge blocks Indiana ban on 2nd trimester abortion procedure," 28 June 2019 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

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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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