deprotonation

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noun

The removal of a proton (hydrogen ion) (better called a hydron, because it can occasionally be deuterium) from a molecule to form a conjugate base.

OriginEnglish protonation ← Latin dē- ← Proto-Italic *dē →
RareScrabble 16
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Meanings

noundeprotonation (countable and uncountable, plural deprotonations)

plural deprotonations

  1. countableuncountablechemistryThe removal of a proton (hydrogen ion) (better called a hydron, because it can occasionally be deuterium) from a molecule to form a conjugate base.

Origin

  1. Proto-Indo-European*de
  2. Proto-Indo-European*déh₁
  3. Proto-Italic*dē
  4. Latindē
  5. Latindē-
  6. Englishde-
  7. Englishprotonation
  8. Englishdeprotonation

From de- + protonation.

Full word history & related roots →

Translations

German Deprotonierung
  • Deprotonierungremoval of a proton
Italian deprotonazione
  • deprotonazioneremoval of a proton
Cite this entry
APA

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

MLA

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

Chicago

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

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