elementary particle

noun

Definition of elementary particle

: any of the particles of which matter and energy are composed or which mediate the fundamental forces of nature especially : one whose existence has not been attributed to the combination of other more fundamental entities

Examples of elementary particle in a Sentence

Recent Examples on the Web Physicists measure elementary particle masses in units of millions of electron volts – shortened to MeV. John Conway, The Conversation, 14 Apr. 2022 Physicists have found that an elementary particle called the W boson appears to be 0.1% too heavy — a tiny discrepancy that could foreshadow a huge shift in fundamental physics. Charlie Wood, Quanta Magazine, 7 Apr. 2022 Now a fresh analysis of old CDF data has unearthed a stunning discrepancy in the mass of an elementary particle, the W boson, that could point the way to new, as yet undiscovered particles and interactions. Daniel Garisto, Scientific American, 7 Apr. 2022 Research conducted there has resulted in several Nobel Prizes for Physics, including the 2013 prize for the discovery of an elementary particle known as the Higgs boson. Aylin Woodward, WSJ, 9 Mar. 2022 Physicists assume the stuff consists of some sort of elementary particle lingering from the big bang. Adrian Cho, Science | AAAS, 26 Mar. 2021 Less familiar from our observations of the everyday world are two forces vital in nuclear and elementary particle reactions. Washington Post, 17 Dec. 2020 Palmer played the Higgs boson — an elementary particle present in all things. Greg Luca, Alia Malik And Krista Torralva |, ExpressNews.com, 31 May 2020 Physicists have detected the strongest evidence yet of a behavioral difference between elementary particles called neutrinos and their mirror-image twins, antineutrinos. Quanta Magazine, 15 Apr. 2020 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'elementary particle.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of elementary particle

1934, in the meaning defined above

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Time Traveler for elementary particle

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The first known use of elementary particle was in 1934

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Dictionary Entries Near elementary particle

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elementary particle

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Cite this Entry

“Elementary particle.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/elementary%20particle. Accessed 9 Aug. 2022.

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More Definitions for elementary particle

elementary particle

noun

Medical Definition of elementary particle

1 : any of the particles of which matter and energy are composed or which mediate the fundamental forces of nature especially : one (as the photon or the electron) whose existence has not been attributed to the combination of other more fundamental entities
2 : one of the structural units of mitochondrial cristae that are observable by the electron microscope usually as spheres or stalked spheres and are probably the seat of fundamental energy-producing reactions

More from Merriam-Webster on elementary particle

Britannica.com: Encyclopedia article about elementary particle

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