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

There, doctors will likely give you a chest X-ray or CT scan to diagnose it, then figure out the best way to dissolve or remove the clot. Korin Miller, SELF, "9 Causes of That Random Chest Pain," 26 Apr. 2018 The operation involves removing clots from a patient’s lungs. Gary Robbins, sandiegouniontribune.com, "Timeline: The illustrated history of the UC San Diego School of Medicine," 18 Mar. 2018 Getty Images Senator John McCain has been diagnosed with brain cancer after an operation to remove a blood clot from his eye revealed a glioblastoma. Mehera Bonner, Marie Claire, "Meghan McCain Releases Emotional Tribute to Her Dad Following His Cancer Diagnosis," 20 July 2017 Two 2011 studies suggested that pills containing drospirenone (Yaz, Yasmin, Beyaz) might pose a higher blood-clot risk than other types. Ginny Graves, Allure, "Birth Control: 3 Different Types and How They Work," 8 Apr. 2019 Blackstone Group LP is partnering with Novartis AG to develop drugs to treat blood clots, the first investment by the private-equity firm’s new life-sciences business. Miriam Gottfried, WSJ, "Blackstone Life Sciences and Novartis to Launch Cardiovascular Drug Company," 26 Feb. 2019 There is history of heart attacks, blood clots, diabetes and other health issues. Carolyn Hax, The Seattle Times, "A younger sister who is longing to be healthier," 5 Feb. 2019 Serena Williams, one of the most powerful black women in the world, also shared how her daughter had a blood clot in her lungs, leading to several surgeries and uncertainty. Theresa Vargas, Washington Post, "A nursery. A loss. And a shared grief for black women in Washington.," 15 June 2018 In rare cases, though, swelling can be a sign of a blood clot, the Mayo Clinic explains. Sarah Jacoby, SELF, "What Jessica Simpson—and Every Other Pregnant Person—Should Know About Swollen Feet," 11 Jan. 2019

Recent Examples on the Web: Verb

Experts aren’t totally sure why higher levels of estrogen may help with breakthrough bleeding, but one theory is that the hormone may help blood to clot better. Korin Miller, SELF, "Spotting on Birth Control? Here’s Why (and When to See a Doctor)," 17 Aug. 2018 The results of blood work taken during a routine physical showed that Park's platelets (cells that help clot the blood) were very low. Amy Capetta, Good Housekeeping, "Bosch's Linda Park on What It's Really Like to Live With Lupus," 31 July 2017 The robust literature of death and dying is clotted with our clichés. Parul Sehgal, New York Times, "What the Living Can Learn by Looking Death Straight in the Eye," 26 June 2018 My blood, unable to clot, wept from the puncture wounds on my ankle, and bruising, a sign of internal hemorrhaging, had bloomed to above my knee. Kyle Dickman, Outside Online, "A Rattle with Death in Yosemite," 20 June 2018 But at this time of year, also consider a bowl of strawberries, piled extravagantly high (more is always more in these instances), and served with clotted cream. Skye Mcalpine, Vogue, "How to Host a Gorgeous Summer Dinner Party Without Cooking," 22 June 2018 Your mind and body need to be free of toxins, otherwise the energy in your body will clot. Kamakshi Ayyar, Time, "What India's Traditional Yoga Teachers Want You to Know for the International Day of Yoga," 20 June 2018 But get bitten by the same species in the mountains of the same county and your blood will clot. Kyle Dickman, Outside Online, "A Rattle with Death in Yosemite," 20 June 2018 The researchers showed that the nanorobots only targeted the tumors and didn’t cause clotting elsewhere in the body. NBC News, "These tiny robots could be disease-fighting machines inside the body," 30 Mar. 2018

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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Learn More about clot

Dictionary Entries near clot

Closterium

clostridium

closure

clot

clotbur

clot-buster

clote

Statistics for clot

Last Updated

4 May 2019

Look-up Popularity

Time Traveler for clot

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

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More Definitions for clot

clot

noun

English Language Learners Definition of clot

 (Entry 1 of 2)

British, informal : 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

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More from Merriam-Webster on clot

Rhyming Dictionary: Words that rhyme with clot

Thesaurus: All synonyms and antonyms for clot

Spanish Central: Translation of clot

Nglish: Translation of clot for Spanish Speakers

Britannica English: Translation of clot for Arabic Speakers

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one that collects or salvages junk

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