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
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Transported deep underground, the steel beams will be used for the construction of massive detector modules that will help Fermilab engineers to study neutrinos, some of the most common and least understood particles in the universe.
—
Georgina Jedikovska, Interesting Engineering, 8 May 2026
Physicists can’t even say how the three neutrino masses are ordered, let alone nail down their exact values.
—Joseph Howlett, Scientific American, 8 May 2026
Experiments reported strange acts of neutrinos appearing and disappearing.
—Quanta Magazine, 8 Apr. 2026
As gravity begins to collapse the star, and the core first forms a dense neutron star, the accompanying burst of neutrinos typically creates a powerful shock wave strong enough to rip apart the core and outer layers, leading to a supernova.
—ArsTechnica, 2 Mar. 2026
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Georgina Jedikovska, Interesting Engineering, 8 May 2026
Physicists can’t even say how the three neutrino masses are ordered, let alone nail down their exact values.
—Joseph Howlett, Scientific American, 8 May 2026
Experiments reported strange acts of neutrinos appearing and disappearing.
—Quanta Magazine, 8 Apr. 2026
As gravity begins to collapse the star, and the core first forms a dense neutron star, the accompanying burst of neutrinos typically creates a powerful shock wave strong enough to rip apart the core and outer layers, leading to a supernova.
—ArsTechnica, 2 Mar. 2026
See All Example Sentences for neutrino
Cite this Entry
“Neutrino.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/neutrino. Accessed 12 May. 2026.
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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