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
neutrinolessplay \nü-ˈtrē-(ˌ)nō-ləs, nyü-\ adjective
Recent Examples of neutrino from the Web
Physicists already know that neutrinos have some mass.
Most neutrinos are created inside the sun and other stars through nuclear fusion reactions.
But when a neutrino storm damages the craft and threatens the integrity of its atmosphere, Walter revives the crew—though the captain (James Franco) burns up in the risky procedure.
Takaaki Kajita and Arthur B. McDonald were named co-laureates last year for discovering that the enigmatic subatomic particles known as neutrinos have mass.
The short version of the story is that CERN (in Switzerland) made some neutrinos to be detected in Italy.
These 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.
Origin and Etymology of neutrino
Italian, from neutro neutral, neuter, from Latin neutr-, neuter
First Known Use: 1934See Words from the same year
NEUTRINO Defined for English Language Learners
Definition of neutrino for English Language Learners
physics : a particle that is smaller than an atom and that has no electrical charge
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
Seen and Heard
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