photoneutrino

English

Etymology

Etymology tree

Proto-Indo-European *bʰeh₂-

Proto-Indo-European *bʰéh₂os

Proto-Hellenic *pʰáwos

Ancient Greek φᾰ́ος (phắos)

Ancient Greek φῶς (phôs)

Ancient Greek φωτο- (phōto-)der.

English photo-

English neutrino

English photoneutrino

From photo- + neutrino.

Noun

photoneutrino (plural photoneutrinos)

1. (physics) A neutrino that is produced (along with an antineutrino) when a high-energy photon collides with an electron