dilatation

noun
di·​la·​ta·​tion | \ ˌdi-lə-ˈtā-shən How to pronounce dilatation (audio) , ˌdī- \
plural dilatations

Definition of dilatation

1a : the state of being expanded or widened specifically : the condition of being stretched or enlarged beyond normal dimensions especially as a result of overwork, disease, or abnormal relaxation dilatation of the heart Probably one of the most prevalent conditions in sighthounds is dilatation of the stomach … — Asa Mays Pulmonary vascular dilatation contributes to hypoxemia … — Elizabeth Dean
b : the act or action of stretching, widening, or enlarging an organ or part of the body : dilation sense b … balloon dilatation of the affected tubal wall …— Edmond Confino et al.
c : a dilated or enlarged part or formation intestinal dilatations
2 archaic : amplification in writing or speech "… And then he went on in a dilatation on the dumbness of Nature during the season's suspension and torpidity."— Cowden Clarke

Other Words from dilatation

dilatational \ ˌdi-​lə-​ˈtā-​shnəl How to pronounce dilatation (audio) , -​shə-​nᵊl , ˌdī-​ \ adjective

Examples of dilatation in a Sentence

Recent Examples on the Web Elevated feeders were once recommended as a way to prevent gastric dilatation and volvulus (GDV), also known as bloat, a life-threatening condition that’s most prevalent in large and deep-chested breeds. Lindsay Pevny, Popular Mechanics, 24 June 2022 The couple’s veterinarian later confirmed that Gus died from a stomach bloat, also known as gastric dilatation-volvulus (GDV). Timothy Bella, Washington Post, 16 June 2022 In the case of Spix’s little blue macaws, that disease was nasty and incurable: proventricular dilatation disease. Grrlscientist, Forbes, 15 June 2022 Overdrinking or drinking too rapidly may cause bloat, a term used to describe gastric dilatation-volvulus. Bayliss Wagner, USA TODAY, 12 Aug. 2021 In Arkansas, dilatation and evacuation was the only method used to end pregnancies after 12 weeks, according to the Arkansas Department of Health. Neal Earley, Arkansas Online, 23 Dec. 2020 Poppy had gastric dilatation volvulus (GDV), more commonly known as bloat. Kim Campbell Thornton, sacbee, 21 Mar. 2018 An enlarged stomach accompanied by drooling, panting and retching without bringing anything up is a sign of gastric dilatation volvulus, commonly known as bloat and often seen in deep-chested dogs. Kim Campbell Thornton, sacbee, 8 Dec. 2017 See More

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

First Known Use of dilatation

14th century, in the meaning defined at sense 2

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The first known use of dilatation was in the 14th century

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Dictionary Entries Near dilatation

dilatant

dilatation

dilatative

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Last Updated

28 Jun 2022

Cite this Entry

“Dilatation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dilatation. Accessed 7 Aug. 2022.

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More Definitions for dilatation

dilatation

noun
di·​la·​ta·​tion | \ ˌdil-ə-ˈtā-shən How to pronounce dilatation (audio) , ˌdī-lə- How to pronounce dilatation (audio) \

Medical Definition of dilatation

1a : the condition of being stretched or enlarged beyond normal dimensions especially as a result of overwork or disease or of abnormal relaxation dilatation of the heart dilatation of the stomach
b : the act or action of stretching, widening, or enlarging an organ or part of the body : dilation sense 1b … balloon dilatation of the affected tubal wall …— Edmond Confino et al., The Journal of the American Medical Association
2 : a dilated or enlarged part or formation intestinal dilatations

More from Merriam-Webster on dilatation

Thesaurus: All synonyms and antonyms for dilatation

Britannica.com: Encyclopedia article about dilatation

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