quark

noun
\ ˈkwȯrk How to pronounce quark (audio) , ˈkwärk How to pronounce quark (audio) \

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

Cheesy-Peasy: Dream up a cookie that uses a soft cheese, the likes of cream cheese, goat cheese, ricotta, quark, etc., or a combination. Nancy Stohs, Milwaukee Journal Sentinel, "Journal Sentinel Holiday Cookie Contest announces sweet new categories for 2019," 4 Sep. 2019 Fermions include electrons and the quarks that are the constituents of protons and neutrons in atomic nuclei. Philip Ball, Scientific American, "Supergravity Snags Super Award: $3-Million Special Breakthrough Prize," 6 Aug. 2019 The fast particles would have subsequently decayed into the quarks, electrons and other elementary particles that exist today. Quanta Magazine, "The Universal Law That Aims Time’s Arrow," 1 Aug. 2019 Each proton and neutron is made up of even tinier quarks and gluons. Nandita Jayaraj, Quartz India, "Meet Indumathi, the Indian scientist who wants to capture one of the universe’s smallest particles," 27 Aug. 2019 As far back as the late 1960s, physicists had tried to explain the existence of fundamental particles — electrons, photons, quarks — in terms of minuscule vibrating strings. Quanta Magazine, "Mathematicians Explore Mirror Link Between Two Geometric Worlds," 9 Apr. 2018 In ordinary matter, quarks come in two types, up and down. Adrian Cho, Science | AAAS, "Exotic particles called pentaquarks may be less weird than previously thought," 5 June 2019 Even more exciting, the bright gamma-ray glow fit quite well to dark matter being annihilated into a pair of matter/antimatter quarks. Chris Lee, Ars Technica, "Gamma ray evidence for dark matter outshone by a flock of pulsars," 10 Aug. 2018 Pentaquarks are heavier cousins of protons and neutrons, which are also made of quarks. Adrian Cho, Science | AAAS, "Exotic particles called pentaquarks may be less weird than previously thought," 5 June 2019

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

quare impedit

quarentene

quaresma

quark

quarl

quarled

Quarles

Statistics for quark

Last Updated

15 Sep 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

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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