neutrino

noun
neu·​tri·​no | \ nü-ˈtrē-(ˌ)nō How to pronounce neutrino (audio) , nyü- \
plural neutrinos

Definition of neutrino

: an uncharged elementary particle that is believed to have a very small mass, that has any of three forms, and that interacts only rarely with other particles

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Other Words from neutrino

neutrinoless \ nü-​ˈtrē-​(ˌ)nō-​ləs How to pronounce neutrinoless (audio) , nyü-​ \ adjective

Examples of neutrino in a Sentence

Recent Examples on the Web Yet a sterile neutrino would be the ghostliest of them all. William Charles Louis, Scientific American, "Hidden Neutrino Particles May Be a Link to the Dark Sector," 1 July 2020 What scientists eventually figured out is that a neutrino is not a pure object. William Charles Louis, Scientific American, "Hidden Neutrino Particles May Be a Link to the Dark Sector," 1 July 2020 But despite a decade of hardships endured by Gorham and his colleagues, by 2016 Anita had yet to detect a single cosmic neutrino. Daniel Oberhaus, Wired, "The Hunt Is On for Elusive Ghost Particles in Antarctica," 12 June 2020 The excitement here stems from the fact that one promising dark matter candidate, a brand of particle known as a sterile neutrino, is expected to naturally decay into ordinary matter and produce just this kind of emission line. Clara Moskowitz, Scientific American, "Milky Way Dark Matter Signals in Doubt after Controversial New Papers," 26 Mar. 2020 There they are caught (some of them, anyway) by the Super-Kamiokande neutrino detector, a giant underground tank containing 50,000 tons of very pure water. Dennis Overbye, New York Times, "Why the Big Bang Produced Something Rather Than Nothing," 15 Apr. 2020 Heavier neutrinos would have decelerated sooner and helped make the universe clumpier. Quanta Magazine, "How the Neutrino’s Tiny Mass Could Help Solve Big Mysteries," 15 Oct. 2019 This spring, scientists will increase the sensitivity of the 22-year-old Super-Kamiokande neutrino observatory by doping water in its observation chamber with the rare-earth metal gadolinium. Science News Staff, Science | AAAS, "The science stories likely to make headlines in 2020," 2 Jan. 2020 The existence of another tiny particle, the neutrino, was confirmed in 2018. Jennifer Leman, Popular Mechanics, "The Deep Space Decade: How a New Era of Exploration Came of Age in the 2010s," 31 Dec. 2019

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

1934, in the meaning defined above

History and Etymology for neutrino

Italian, from neutro neutral, neuter, from Latin neutr-, neuter

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Time Traveler for neutrino

Time Traveler

The first known use of neutrino was in 1934

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Statistics for neutrino

Last Updated

5 Sep 2020

Cite this Entry

“Neutrino.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/neutrino. Accessed 19 Sep. 2020.

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More Definitions for neutrino

neutrino

noun
How to pronounce neutrino (audio)

English Language Learners Definition of neutrino

physics : a particle that is smaller than an atom and that has no electrical charge

neutrino

noun
neu·​tri·​no | \ n(y)ü-ˈtrē-(ˌ)nō How to pronounce neutrino (audio) \
plural neutrinos

Medical Definition of neutrino

: an uncharged elementary particle that is believed to be massless or to have a very small mass, that has any of three forms, and that interacts only rarely with other particles

More from Merriam-Webster on neutrino

Britannica.com: Encyclopedia article about neutrino

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