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
The high concentrations of neutrinos near the sun is what interests Solomey.
—
Tereza Pultarova, Space.com, 13 May 2026
The Fermi National Accelerator Laboratory (Fermilab), the premier US national lab for high-energy particle physics announced the start of the underground detector assembly for the massive neutrino project in South Dakota on May 7.
—Georgina Jedikovska, Interesting Engineering, 8 May 2026
China’s project has already provided world-leading precision for the gap between the two smallest neutrino masses—a key part of determining the ordering.
—Joseph Howlett, Scientific American, 8 May 2026
Experiments reported strange acts of neutrinos appearing and disappearing.
—Quanta Magazine, 8 Apr. 2026
See All Example Sentences for neutrino
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Tereza Pultarova, Space.com, 13 May 2026
The Fermi National Accelerator Laboratory (Fermilab), the premier US national lab for high-energy particle physics announced the start of the underground detector assembly for the massive neutrino project in South Dakota on May 7.
—Georgina Jedikovska, Interesting Engineering, 8 May 2026
China’s project has already provided world-leading precision for the gap between the two smallest neutrino masses—a key part of determining the ordering.
—Joseph Howlett, Scientific American, 8 May 2026
Experiments reported strange acts of neutrinos appearing and disappearing.
—Quanta Magazine, 8 Apr. 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 18 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
Love words? Need even more definitions?
Merriam-Webster unabridged
