antineutrino

[ an-tee-noo-tree-noh, -nyoo-, an-tahy- ]

noun

, Physics.

, plural an·ti·neu·tri·nos.

1. the antiparticle of a neutrino, distinguished from the neutrino by having clockwise rather than counterclockwise spin when observing in the direction of motion.

antineutrino

/ ˌæntɪnjuːˈtriːnəʊ /

noun

1. the antiparticle of a neutrino; a particle having oppositely directed spin to a neutrino, that is, spin in the direction of its momentum

antineutrino

/ ăn′tē-no̅o̅-trē′nō,ăn′tī- /

1. The antiparticle that corresponds to the neutrino.

Word History and Origins

Origin of antineutrino¹

First recorded in 1930–35; anti- + neutrino

Example Sentences

These particles — specifically their antimatter variety, antineutrinos — stream in droves from operating nuclear reactors.

From Science News

The KATRIN experiment studies tritium, a rare form of hydrogen that decays radioactively, emitting an electron and an antimatter mirror image of the neutrino, an antineutrino.

From Science News

Measuring the energies of the electrons can reveal the masses of the antineutrinos that flitted away.

From Science News