photoexchange

P3H4O1T1O1E1X8C3H4A1N1G2E1

noun

photochemical exchange

OriginEnglish exchange ← Ancient Greek φωτο- (phōto-) ← Proto-Hellenic *pʰáwos →
Scrabble 31
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Meanings

nounphotoexchange (plural photoexchanges)

plural photoexchanges

  1. chemistryphotochemical exchange

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. Englishexchange
  9. Englishphotoexchange

From photo- + exchange.

Full word history & related roots →
Cite this entry
APA

photoexchange. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/photoexchange

MLA

“photoexchange.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/photoexchange. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “photoexchange,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/photoexchange.

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