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 When the Universe reaches a few microseconds in age, a new threshold gets crossed: the temperatures and densities have now dropped low enough that confinement occurs, and what was previously a quark-gluon plasma now becomes full of bound states. Ethan Siegel, Forbes, 2 Sep. 2021 Physicists can now calculate how pressure and density would have evolved from the quark-gluon plasma at the beginning of the universe. Quanta Magazine, 23 Sep. 2020 For example, when a virtual gluon splits into two virtual quarks, the quarks’ possible lifetimes can vary. Quanta Magazine, 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, 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, 1 May 2020 Or take gluons, particles that convey the strong force that binds atomic nuclei together. Quanta Magazine, 9 Dec. 2019 Quarks and gluons are two such elementary particles that combine to form protons and neutrons. Nandita Jayaraj, Quartz India, 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, 18 July 2018

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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Cite this Entry

“Gluon.” Dictionary, Merriam-Webster, Accessed 2 Dec. 2021.

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