rehydrogenation

R1E1H4Y4D2R1O1G2E1N1A1T1I1O1N1

noun

Hydrogenation subsequent to dehydrogenation.

OriginEnglish hydrogenation ← French hydrogène ← Ancient Greek γένος (génos) →
Scrabble 23
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Meanings

nounrehydrogenation (usually uncountable, plural rehydrogenations)

plural rehydrogenations

  1. uncountableusuallychemistryHydrogenation subsequent to dehydrogenation.

Origin

  1. Proto-Italic*wre-
  2. Latinre-
  3. Old Frenchre-
  4. Middle Englishre-
  5. Englishre-
  6. Proto-Indo-European*wed-
  7. Proto-Indo-European*wódr̥
  8. Proto-Hellenic*údōr
  9. Ancient Greekῡ̆̔́δωρ (hū̆́dōr)
  10. Ancient Greekὑδρο- (hudro-)
  11. Frenchhydro-
  12. Proto-Indo-European*ǵenh₁-
  13. Proto-Indo-European*ǵénh₁os
  14. Proto-Hellenic*génos
  15. Ancient Greekγένος (génos)
  16. Frenchhydrogène
  17. Englishhydrogen
  18. Englishhydrogenation
  19. Englishrehydrogenation

From re- + hydrogenation.

Full word history & related roots →

Rhymes & wordplay

Anagrams

hydrogeneration
Cite this entry
APA

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

MLA

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

Chicago

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

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