photoneutrino

P3H4O1T1O1N1E1U1T1R1I1N1O1

noun

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

OriginEnglish neutrino ← Ancient Greek φωτο- (phōto-) ← Proto-Hellenic *pʰáwos →
Scrabble 18
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Meanings

nounphotoneutrino (plural photoneutrinos)

plural photoneutrinos

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

Origin

  1. Proto-Indo-European*bʰeh₂-
  2. Proto-Indo-European*bʰéh₂os
  3. Proto-Hellenic*pʰáwos
  4. Ancient Greekφᾰ́ος (phắos)
  5. Ancient Greekφῶς (phôs)
  6. Ancient Greekφωτο- (phōto-)
  7. Englishphoto-
  8. Englishneutrino
  9. Englishphotoneutrino

From photo- + neutrino.

Full word history & related roots →
Cite this entry
APA

photoneutrino. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/photoneutrino

MLA

“photoneutrino.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/photoneutrino. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “photoneutrino,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/photoneutrino.

Source: photoneutrino on Wiktionary, CC BY-SA 4.0.