antineutrino

noun

an·​ti·​neu·​tri·​no
ˌan-tē-nü-ˈtrē-(ˌ)nō,
-nyü-,
ˌan-tī- How to pronounce antineutrino (audio)
: the antiparticle of the neutrino

Examples of antineutrino in a Sentence

Recent Examples on the Web
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Thanks to that approach, JUNO should be able to measure differences in the masses of antineutrinos about 10 times better than previous equipment. Eric Baculinao, NBC News, 31 Oct. 2024 Neutrinos pair with antineutrinos, which scientists think mirror their behavior. Eric Baculinao, NBC News, 31 Oct. 2024 Sitting still, a muon decays into an electron, a neutrino, and an antineutrino in 2.2 microseconds. Byadrian Cho, science.org, 28 Mar. 2024 But the specific oscillation here, electron antineutrino to sterile neutrino, should take place quickly. John Timmer, Ars Technica, 11 Jan. 2023 Also present in this pool of particles were neutrinos, which are very tiny, weakly interacting particles, and antineutrinos, their antimatter counterparts. Anne-Katherine Burns, The Conversation, 26 July 2023 The light in each beat reveals two things: The first flash indicates the energy of the antineutrino; the second confirms that the particle was an antineutrino. Dolly Setton, Discover Magazine, 30 July 2014 Beta decays occur within atomic nuclei, when down quarks transform into up quarks, or vice versa, allowing a neutron to become a proton, or the reverse, by emitting an electron and an antineutrino, or a positron (the antimatter counterpart of the electron) and a neutrino. Andreas Crivellin, Scientific American, 23 Oct. 2022 Electron scattering experiments measure where an electron touches a quark’s charge, and neutrino experiments measure where an antineutrino changes a quark’s flavor. Anashe Bandari, Scientific American, 16 Mar. 2023

Word History

First Known Use

1934, in the meaning defined above

Time Traveler
The first known use of antineutrino was in 1934

Dictionary Entries Near antineutrino

Cite this Entry

“Antineutrino.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/antineutrino. Accessed 21 Nov. 2024.

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