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
According to the Standard Model of particle physics, neutrinos are thought to interact solely through the weak nuclear force, which makes their properties notoriously hard to measure.
—
Georgina Jedikovska, Interesting Engineering, 8 Oct. 2025
Croker and Tarlè say the dark-energy-making black holes enable a plump neutrino mass.
—Rebecca Boyle, Scientific American, 4 Oct. 2025
The idea that neutrinos were flying through me every second blew my mind.
—Adam Frank, Big Think, 25 Sep. 2025
That's because baryons would have disappeared since the Big Bang, as they are converted to dark energy droplets, thus allowing neutrinos to make a contribution in line with measurements of their abundance.
—Robert Lea, Space.com, 24 Aug. 2025
See All Example Sentences for neutrino
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Georgina Jedikovska, Interesting Engineering, 8 Oct. 2025
Croker and Tarlè say the dark-energy-making black holes enable a plump neutrino mass.
—Rebecca Boyle, Scientific American, 4 Oct. 2025
The idea that neutrinos were flying through me every second blew my mind.
—Adam Frank, Big Think, 25 Sep. 2025
That's because baryons would have disappeared since the Big Bang, as they are converted to dark energy droplets, thus allowing neutrinos to make a contribution in line with measurements of their abundance.
—Robert Lea, Space.com, 24 Aug. 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 15 Oct. 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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