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

Examples of gluon in a Sentence

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Researchers will use those collisions to probe the internal structure of matter and study how quarks and gluons, the fundamental particles responsible for building protons and neutrons, behave inside atomic nuclei. — Georgina Jedikovska, Interesting Engineering, 5 Oct. 2026 Instead the newborn cosmos was filled with even smaller and more fundamental building blocks, quarks and gluons, which formed a smoothly flowing soup called quark-gluon plasma. — Clara Moskowitz, Scientific American, 28 Sep. 2026 Their results recently published in the journal Physical Review Letters signal a major breakthrough in quantum physics—one that indicates a primordial quark-gluon plasma soup is actually possible with lighter ingredients. — Andrew Paul, Popular Science, 20 Aug. 2026 See All Example Sentences for gluon

Word History

First Known Use

1971, in the meaning defined above

Time Traveler
The first known use of gluon was in 1971

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Cite this Entry

“Gluon.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/gluon. Accessed 9 Oct. 2026.

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