gluon

noun
glu·​on | \ ˈglü-ˌän How to pronounce gluon (audio) \

Definition of gluon

: a hypothetical neutral massless particle held to bind together quarks to form hadrons

Examples of gluon in a Sentence

Recent Examples on the Web Physicists can now calculate how pressure and density would have evolved from the quark-gluon plasma at the beginning of the universe. Quanta Magazine, "Physicists Argue That Black Holes From the Big Bang Could Be the Dark Matter," 23 Sep. 2020 For example, when a virtual gluon splits into two virtual quarks, the quarks’ possible lifetimes can vary. Quanta Magazine, "The Mathematical Structure of Particle Collisions Comes Into View," 20 Aug. 2020 But the golden rule of quantum theory is to consider all possibilities, and exchanging a simple gluon represents just one among a vast landscape of scenarios that could unfold when two quarks collide. Quanta Magazine, "The Mathematical Structure of Particle Collisions Comes Into View," 20 Aug. 2020 Instead, quarks and gluons mingled freely in a dense soup until things cooled down sufficiently for protons to condense out of the QGP. Jennifer Ouellette, Ars Technica, "Physicists identify unique signature to confirm quark-gluon plasma in Universe," 1 May 2020 Or take gluons, particles that convey the strong force that binds atomic nuclei together. Quanta Magazine, "Why the Laws of Physics Are Inevitable," 9 Dec. 2019 Quarks and gluons are two such elementary particles that combine to form protons and neutrons. Nandita Jayaraj, Quartz India, "Meet Indumathi, the Indian scientist who wants to capture one of the universe’s smallest particles," 27 Aug. 2019 She had just delivered an invited lecture about the discovery of gluons at a symposium to honor the 50th birthday of the Standard Model. Quanta Magazine, "Three Major Physics Discoveries and Counting," 18 July 2018 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

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

1971, in the meaning defined above

History and Etymology for gluon

glue entry 1 + -on entry 2

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Time Traveler for gluon

Time Traveler

The first known use of gluon was in 1971

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Statistics for gluon

Last Updated

27 Oct 2020

Cite this Entry

“Gluon.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/gluon. Accessed 29 Oct. 2020.

More from Merriam-Webster on gluon

Britannica.com: Encyclopedia article about gluon

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