neutrino
noun
neu·tri·no
| \ nü-ˈtrē-(ˌ)nō
, nyü-\
, 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
, nyü- \
adjective
, nyü- \
adjective
Examples of neutrino in a Sentence
Recent Examples on the Web
By carefully measuring the energy of the electron, scientists can infer the mass of the neutrino. — Clara Moskowitz, Scientific American, "Mysterious Neutrinos Get New Mass Estimate," 26 Aug. 2019 Watching such an explosion with modern instruments, including LIGO, Virgo and neutrino detectors, would not be easy. — The Economist, "Gravitational astronomy proves its maturity," 20 Aug. 2019 So the signature of the collision is a muon, a neutrino, and four jets. — Jennifer Ouellette, Ars Technica, "MIT physicists: Social networks could hold the key to finding new particles," 31 July 2019 The visitor, an ultrahigh-energy cosmic neutrino, bumped into ice more than a mile beneath the South Pole, where detectors from the IceCube experiment were waiting to catch it. — Quanta Magazine, "Neutrinos Linked With Cosmic Source for the First Time," 12 July 2018 By tracing a neutrino’s path back, scientists found a blazar, a particle-firing galaxy that has a rapidly spinning black hole at its center and twin poles like gun barrels that blast particles into space. — Mark Johnson, Milwaukee Journal Sentinel, "UW-Madison scientists expand effort to solve mysteries of universe inside South Pole ice," 16 July 2019 The existence of a sterile neutrino would revolutionize physics from the smallest to the largest scales. — Quanta Magazine, "Evidence Found for a New Fundamental Particle," 1 June 2018 Such a neutrino would be a candidate for dark matter, an invisible substance physicists are all but certain pervades our universe, yet have never detected. — Nathaniel Scharping, Discover Magazine, "Why Fermilab is Making A Neutrino Detector 800 Miles Long," 12 Mar. 2019 This is still a strictly theoretical kind of neutrino that would come from dark matter. — John Wenz, Popular Mechanics, "Blaze It: Far-Out High-Energy Neutrino Came From a Blazar," 12 July 2018These 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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More Definitions for neutrino
neutrino
noun
English Language Learners Definition of neutrino
physics
: a particle that is smaller than an atom and that has no electrical charge
See the full definition for neutrino in the English Language Learners Dictionary
neutrino
noun
neu·tri·no
| \ n(y)ü-ˈtrē-(ˌ)nō
\
\
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