neutrino

noun

neu·​tri·​no nü-ˈtrē-(ˌ)nō How to pronounce neutrino (audio)
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 adjective

Examples of neutrino in a Sentence

Recent Examples on the Web The same technique already generates neutrinos for other experiments. Byadrian Cho, science.org, 28 Mar. 2024 Our bodies are hit with trillions of neutrinos by the second. Elizabeth Gamillo, Discover Magazine, 28 Mar. 2024 The rate of growth—determined through comparison of the average size of voids in the early universe to those in the modern universe—can reveal how much mass neutrinos actually have. Michael D. Lemonick, Scientific American, 1 Jan. 2024 In particular, Kotwal and his colleagues sought out collisions that produced two specific pairs of particles: either a muon and a neutrino, or an electron and a neutrino. Jennifer Leman, Popular Mechanics, 7 Apr. 2022 The recoil from beta emissions is not yet observable because the mass of an electron and a neutrino are so small. The Physics Arxiv Blog, Discover Magazine, 27 Feb. 2024 More experiments must also be done to extend the Standard Model, to answer questions such as why the universe has so much matter compared to antimatter, what exactly is dark matter, and why neutrinos have mass. IEEE Spectrum, 30 Jan. 2019 That’s interesting because current experiments for detecting neutrinos and dark matter are huge, some the size of city blocks. The Physics Arxiv Blog, Discover Magazine, 27 Feb. 2024 Carlos Argüelles-Delgado, an assistant professor at Harvard University and a neutrino physicist who uses data from IceCube, also refuted the claim. USA TODAY, 31 Jan. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'neutrino.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

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

First Known Use

1934, in the meaning defined above

Time Traveler
The first known use of neutrino was in 1934

Dictionary Entries Near neutrino

Cite this Entry

“Neutrino.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/neutrino. Accessed 24 Apr. 2024.

Kids Definition

neutrino

noun
neu·​tri·​no n(y)ü-ˈtrē-nō How to pronounce neutrino (audio)
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 How to pronounce neutrino (audio)
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

More from Merriam-Webster on neutrino

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!