quark

noun
\ ˈkwȯrk , ˈkwärk \

Definition of quark

: any of several elementary particles that are postulated to come in pairs (as in the up and down varieties) of similar mass with one member having a charge of +²/₃ and the other a charge of −¹/₃ and are held to make up hadrons

Examples of quark in a Sentence

Recent Examples on the Web

The building blocks of atoms, protons and neutrons, are composed of a collection of particles called quarks and gluons. John Timmer, Ars Technica, "Atoms may come apart as the Universe’s biggest stars explode," 24 Oct. 2018 With the discovery of the top quark at Fermilab in 1995, the Standard Model was pretty much complete. Jennifer Ouellette, Ars Technica, "Nobel-prize winning physicist who coined “god particle” dead at 96," 3 Oct. 2018 For instance, quarks would be complemented by squarks; the electron, by the selectron. Adam Hadhazy, Discover Magazine, "Scientists Hunt for A Seeming Paradox: A Magnet With Only One Pole," 13 Nov. 2018 Shortly after the Big Bang, however, the Universe was too energetic and dense for the quarks and gluons to form stable interactions. John Timmer, Ars Technica, "Atoms may come apart as the Universe’s biggest stars explode," 24 Oct. 2018 In a medium bowl, combine quark, confectioners’ sugar, and fresh lime juice. Anna Helm Baxter, Woman's Day, "Creamy Frozen Raspberry Mousse," 16 Aug. 2018 The scientists found that a proton’s building block, known as a quark, faces a pressure of 100 decillion Pascal near the center of a proton. David Grossman, Popular Mechanics, "Pressures Inside a Proton Are More Extreme Than Inside a Neutron Star," 17 May 2018 In Germany, quark is thick and smooth like yogurt, but slightly drier. New York Times, "A Guide to Soft Fresh Cheeses: Cottage Cheese, Mascarpone and More," 26 June 2018 But researchers did not see the particles expected 60 percent of the time—bottom quarks. Jason Daley, Smithsonian, "Researchers Find More Evidence for the Higgs Boson," 10 July 2018

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

1964, in the meaning defined above

History and Etymology for quark

coined by Murray Gell-Mann

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Dictionary Entries near quark

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quark

quarl

quarled

Quarles

Statistics for quark

Last Updated

17 Feb 2019

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Time Traveler for quark

The first known use of quark was in 1964

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More Definitions for quark

quark

noun

English Language Learners Definition of quark

physics : any one of several types of very small particles that make up matter

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More from Merriam-Webster on quark

Rhyming Dictionary: Words that rhyme with quark

Britannica English: Translation of quark for Arabic Speakers

Britannica.com: Encyclopedia article about quark

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