photohydration

P3H4O1T1O1H4Y4D2R1A1T1I1O1N1

noun

Any photochemical reaction leading to the addition of water across a double or triple bond or to a carbonyl group etc.

OriginEnglish hydration ← Ancient Greek φωτο- (phōto-) ← Proto-Hellenic *pʰáwos →
Scrabble 26
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Meanings

nounphotohydration (plural photohydrations)

plural photohydrations

  1. chemistryAny photochemical reaction leading to the addition of water across a double or triple bond or to a carbonyl group etc.

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. Englishhydration
  9. Englishphotohydration

From photo- + hydration.

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

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