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

neutrinoless

nü-ˈtrē-(ˌ)nō-ləs 

nyü-

adjective

Examples of neutrino in a Sentence

Recent Examples on the Web

Boyle’s hypothesis also predicts that dark matter could be explained by a particular kind of neutrino. —Sarah Scoles, Scientific American, 10 Feb. 2026

The mission aimed to detect radio signals created when neutrinos hit the ice. —Adam Harrington, CBS News, 9 Feb. 2026

The particle in question was a neutrino with an energy 100,000 times greater than that of the highest-energy particles produced by the world's largest and most powerful particle accelerator, the Large Hadron Collider (LHC). —Robert Lea, Space.com, 5 Feb. 2026

The operational detector will precisely image interactions using detailed 3D tracking, enabling measurement of neutrino oscillations, as well as differences between neutrinos and antineutrinos. —Chris Young, Interesting Engineering, 4 Feb. 2026

Word History

Etymology

Italian, from neutro neutral, neuter, from Latin neutr-, neuter

First Known Use

1934, in the meaning defined above

Rhymes for neutrino

• amino
• carlino
• casino
• imino
• ladino
• latino
• merino
• argentino
• campesino
• cappuccino
• diamino
• filipino

Kids 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