dilatation

noun

di·la·ta·tion | \ ˌdi-lə-ˈtā-shən

, ˌdī-\

Definition of dilatation

1 : amplification in writing or speech

2a : the condition of being stretched beyond normal dimensions especially as a result of overwork, disease, or abnormal relaxation dilatation of the heart dilatation of the stomach

b : dilation sense 2

3 : the action of expanding : the state of being expanded

4 : a dilated part or formation

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Poppy had gastric dilatation volvulus (GDV), more commonly known as bloat. — Kim Campbell Thornton, sacbee, "Saved by junk food? That seems to be the case with bloated dog," 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, "What to know in case of pet trauma," 8 Dec. 2017

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.

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

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dilatation

noun

di·la·ta·tion | \ ˌdil-ə-ˈtā-shən

, ˌdī-lə-

Medical Definition of dilatation

1 : the condition of being stretched beyond normal dimensions especially as a result of overwork or disease or of abnormal relaxation dilatation of the heart dilatation of the stomach

2 : dilation sense 2