neutrino
noun
neu·tri·no
nü-ˈtrē-(ˌ)nō 
nyü-
plural neutrinos
: 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
Examples of neutrino in a Sentence
Recent Examples on the Web
Precise observations of solar neutrinos also point to new physics.
—
Bruce Dorminey, Forbes.com, 12 Aug. 2025
Peoples subsequently oversaw efforts to learn whether a common but elusive particle called a neutrino has any mass.
—Bob Goldsborough, Chicago Tribune, 25 July 2025
By projecting backward from these signals, physicists are able to determine the nature of the neutrinos that triggered them.
—Ian Randall, MSNBC Newsweek, 16 June 2025
These pulses seemed to defy current understandings of particle physics, since radio waves caused by neutrinos are not expected to be able to pass through so much rock.
—Amber X. Chen, Smithsonian Magazine, 26 June 2025
See All Example Sentences for neutrino
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Bruce Dorminey, Forbes.com, 12 Aug. 2025
Peoples subsequently oversaw efforts to learn whether a common but elusive particle called a neutrino has any mass.
—Bob Goldsborough, Chicago Tribune, 25 July 2025
By projecting backward from these signals, physicists are able to determine the nature of the neutrinos that triggered them.
—Ian Randall, MSNBC Newsweek, 16 June 2025
These pulses seemed to defy current understandings of particle physics, since radio waves caused by neutrinos are not expected to be able to pass through so much rock.
—Amber X. Chen, Smithsonian Magazine, 26 June 2025
See All Example Sentences for neutrino
Cite this Entry
“Neutrino.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/neutrino. Accessed 21 Aug. 2025.
Copy CitationKids Definition
neutrino
noun
neu·tri·no
n(y)ü-ˈtrē-nō
plural neutrinos
: an uncharged elementary particle believed to have little or no mass
Medical Definition
neutrino
noun
neu·tri·no
n(y)ü-ˈtrē-(ˌ)nō
plural neutrinos
: 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
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