co·​ag·​u·​la·​tion | \ kō-ˌa-gyə-ˈlā-shən How to pronounce coagulation (audio) \

Definition of coagulation

: the process of becoming viscous or thickened into a coherent mass : the forming of clots (as in blood or cream) : the process of coagulating … an incision is made on the skin of the forearm with a spring-loaded device, and the time to coagulation is measured.— Lawrence L. K. Leung

Examples of coagulation in a Sentence

Recent Examples on the Web Given the impracticality of that desire, the coagulation expert and University of North Carolina professor settled for an approach that combined old-fashioned medicine with cutting-edge means. Jorge L. Ortiz, USA TODAY, "The outer limits of medicine: How doctors treated an astronaut's blood clot in space," 8 Jan. 2020 The researchers found adaptations in Komodo dragon genes involved in coagulation that make these lizards immune from the venom anti-coagulant, protecting them from bleeding to death when attacked by another of their own species. Reuters, The Mercury News, "Genetic adaptations point to Komodo dragons’ toughness," 29 July 2019 And the samples from that group also contained an abundance of human proteins associated with inflammation and other first-line responses to bacterial infection, as well as blood coagulation. Kiona N. Smith, Ars Technica, "Medieval dental plaque sheds light on how our microbiomes have changed," 25 Nov. 2018 The rennet helps start the coagulation process, turning milk into curds. Tim Newcomb, Popular Mechanics, "Connected to the Craft," 3 Dec. 2018 Alternatively, rattlesnake venom can also inhibit clotting, a phenomenon known as anti-coagulation, which can in turn cause excessive bleeding. Christina Capatides, CBS News, "Kayaker hospitalized after rattlesnake falls from a tree and bites him," 22 May 2018 Different types of anti-coagulation drugs have been introduced over the past 30 to 40 years. Sandy Bauers,, "How high-tech genomics - and simple aspirin - could make your joint replacement better," 17 May 2018 The person was treated for bleeding and coagulation issues. Andrea K. Mcdaniels,, "First Maryland case of bleeding from synthetic marijuana reported," 5 Apr. 2018 To make the bomb more dangerous, the bombmaker coated the weights in a chemical common in rat poison that inhibits blood coagulation. Author: Devlin Barrett, Anchorage Daily News, "A race against time and technology: How authorities are trying to catch the Austin bomber," 20 Mar. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'coagulation.' 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 coagulation

14th century, in the meaning defined above

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

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Cite this Entry

“Coagulation.” Dictionary, Merriam-Webster, Accessed 29 Mar. 2020.

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More Definitions for coagulation


co·​ag·​u·​la·​tion | \ kō-ˌag-yə-ˈlā-shən How to pronounce coagulation (audio) \

Medical Definition of coagulation

1a : a change to a viscous, jellylike, or solid state especially : a change from a liquid to a thickened curdlike state not by evaporation but by chemical reaction the spontaneous coagulation of freshly drawn blood the coagulation of milk by rennin
b : the process by which such change of state takes place consisting of the alteration of a soluble substance (as a protein) into an insoluble form or of the flocculation or separation of colloidal or suspended matter
2 : a substance or body formed by coagulation : coagulum
3 : disruption of tissue by physical means (as by application of an electric current) so that denaturation and clumping of protein occur diathermic coagulation of tissues during surgery to seal bleeding blood vessels — see electrocoagulation, photocoagulation

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