annulation

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/ˌænjʊˈleɪʃən//ˌænjəˈleɪʃən/

noun

The formation of a ring

OriginLatin annulātus ← Proto-Italic *ānos ← Proto-Indo-European *h₁eh₂nos →
UncommonScrabble 10
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Meanings

nounannulation (plural annulations)

plural annulations

  1. The formation of a ring
  2. chemistryAny reaction that forms a ring of atoms
  3. Any structure in the form of a ring

Origin

  1. Proto-Indo-European*h₁eh₂nos
  2. Proto-Italic*ānos
  3. Latinānus
  4. Latinānulus
  5. Latinānulātus
  6. Latinannulātus
  7. Englishannulation

From Latin annulātus + -ation. Compare French annulation. Piecewise doublet of annullation.

Full word history & related roots →

Translations

Portuguese anelação
  • anelaçãoany reaction that forms a ring of atoms

Rhymes & wordplay

Anagrams

unnational
Cite this entry
APA

annulation. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/annulation

MLA

“annulation.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/annulation. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “annulation,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/annulation.

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