clot

noun
\ ˈklät How to pronounce clot (audio) \

Definition of clot

 (Entry 1 of 2)

1 : a portion of a substance adhering together in a thick nondescript mass (as of clay or gum)
2a : a roundish viscous lump formed by coagulation of a portion of liquid or by melting
b : a coagulated mass produced by clotting of blood
3 British : blockhead
4 : cluster, group a clot of spectators

clot

verb
clotted; clotting

Definition of clot (Entry 2 of 2)

intransitive verb

1 : to become a clot : form clots
2 : to undergo a sequence of complex chemical and physical reactions that results in conversion of fluid blood into a coagulated mass : coagulate

transitive verb

1 : to cause to form into or as if into a clot
2 : to fill with clots also : clog clotted streets

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Examples of clot in a Sentence

Noun We were told that his stroke was caused by a clot in his brain. a clot of daisies occupied one corner of the flower bed Verb medications that prevent blood from clotting substances that help to clot blood
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Recent Examples on the Web: Noun During their 11-day pause, federal officials ultimately found 15 blood clot cases among nearly 8 million people who got a shot of the Johnson & Johnson vaccine. oregonlive, 25 Apr. 2021 Vaccine advisers to the CDC are expected to meet today to review any more blood clot cases related to the Johnson & Johnson vaccine. Aj Willingham, CNN, 23 Apr. 2021 The European Medicines Agency made those determinations after a very small number of blood clot cases in people who had gotten the vaccine were reported in the United States. Maria Cheng, Anchorage Daily News, 20 Apr. 2021 Fauci also indicated Sunday that the government will probably move to resume use of Johnson & Johnson's vaccine this week, possibly with restrictions or broader warnings after reports of some rare blood clot cases. Compiled Democrat-gazette Staff From Wire Reports, Arkansas Online, 19 Apr. 2021 Such drastic action would also attract the kind of public attention that could prompt reporting of any other blood-clot cases. Betsy Mckay, WSJ, 18 Apr. 2021 Responding to a report on one of the six clot cases published in the New England Journal of Medicine, Johnson & Johnson penned a response Friday, insisting a clear link has not yet been established. Dr. Amanda Benarroch, ABC News, 17 Apr. 2021 Fauci also indicated Sunday that the government will likely move to resume use of Johnson & Johnson’s Covid-19 vaccine this week, possibly with restrictions or broader warnings after reports of some very rare blood clot cases. NBC News, 16 Apr. 2021 In line with other EU countries, Italy is holding back vaccine doses produced by Johnson & Johnson and has been facing cancellations by people scheduled to receive the AstraZeneca Plc shot amid reports of rare blood clot cases. Chiara Albanese, Fortune, 15 Apr. 2021 Recent Examples on the Web: Verb Weitz’s son, Ezra, has acute asthma, for which he has been hospitalized, as well as hemophilia, which causes his blood to not clot properly. Courtney Tanner, The Salt Lake Tribune, 23 Aug. 2021 The second problem is that if the atria don’t contract, the blood can pool and clot, putting a person at risk for embolism. Dr. Keith Roach, oregonlive, 17 June 2021 Without transfusions, blood can clot and cause a stroke, organ failure or severe pain. Rachel Ryan, Milwaukee Journal Sentinel, 14 June 2021 The condition involves blood clots accompanied by a low level of platelets — the components in the blood that help it to clot. NBC News, 12 May 2021 This is dangerous, but what concerns doctors is that the CVST is seen in combination with low levels of blood platelets, know as thrombocytopenia, a condition where blood will be harder to clot. John Cutter, sun-sentinel.com, 13 Apr. 2021 That is an unusual combination of conditions, because platelets help the blood to clot. Helen Branswell, STAT, 18 Apr. 2021 This is dangerous, but what concerns doctors is that the CVST is seen in combination with low levels of blood platelets, known as thrombocytopenia, a condition where blood will be harder to clot. John Cutter, orlandosentinel.com, 13 Apr. 2021 Because of her low platelet count, her blood was unable to clot. Shannon Shelton Miller, Glamour, 10 Nov. 2020

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

Noun

before the 12th century, in the meaning defined at sense 1

Verb

15th century, in the meaning defined at intransitive sense 1

History and Etymology for clot

Noun

Middle English, from Old English clott; akin to Middle High German klōz lump, ball — more at clout

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Time Traveler for clot

Time Traveler

The first known use of clot was before the 12th century

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Dictionary Entries Near clot

closure

clot

clotbur

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Statistics for clot

Last Updated

19 Oct 2021

Cite this Entry

“Clot.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/clot. Accessed 22 Oct. 2021.

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More Definitions for clot

clot

noun

English Language Learners Definition of clot

 (Entry 1 of 2)

: a stupid person

clot

verb

English Language Learners Definition of clot (Entry 2 of 2)

: to become thick and partly solid : to develop clots

clot

noun
\ ˈklät How to pronounce clot (audio) \

Kids Definition of clot

 (Entry 1 of 2)

: a lump made by some substance getting thicker and sticking together a blood clot

clot

verb
clotted; clotting

Kids Definition of clot (Entry 2 of 2)

: to become thick and partly solid

clot

noun
\ ˈklät How to pronounce clot (audio) \

Medical Definition of clot

 (Entry 1 of 2)

: a coagulated mass produced by clotting of blood

clot

verb
clotted; clotting

Medical Definition of clot (Entry 2 of 2)

intransitive verb

: to undergo a sequence of complex chemical and physical reactions that results in conversion of fluid blood into a coagulum and that involves shedding of blood, release of thromboplastin from blood platelets and injured tissues, inactivation of heparin by thromboplastin permitting calcium ions of the plasma to convert prothrombin to thrombin, interaction of thrombin with fibrinogen to form an insoluble fibrin network in which blood cells and plasma are trapped, and contraction of the network to squeeze out excess fluid : coagulate

transitive verb

: to cause to form into or as if into a clot

More from Merriam-Webster on clot

Nglish: Translation of clot for Spanish Speakers

Britannica English: Translation of clot for Arabic Speakers

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