dianion

D2I1A1N1I1O1N1

noun

Any anion carrying two negative charges

OriginEnglish anion ← Ancient Greek ἀνῐόν (anĭón) ← Proto-Hellenic *éimi →
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Meanings

noundianion (plural dianions)

plural dianions

  1. chemistryAny anion carrying two negative charges

Origin

  1. Proto-Indo-European*dwóh₁
  2. Proto-Indo-European*dwi-
  3. Proto-Hellenic*dwi-
  4. Ancient Greekδῐ- (dĭ-)
  5. Latindi-
  6. Englishdi-
  7. Proto-Indo-European*h₂en-
  8. Proto-Hellenic*aná
  9. Ancient Greekᾰ̓νᾰ́ (ănắ)
  10. Ancient Greekᾰ̓νᾰ- (ănă-)
  11. Proto-Indo-European*h₁ey-
  12. Proto-Indo-European*h₁éyti
  13. Proto-Hellenic*éimi
  14. Ancient Greekῐ̓όν (ĭón)
  15. Ancient Greekἀνῐόν (anĭón)
  16. Englishanion
  17. Englishdianion

From di- + anion.

Full word history & related roots →

Rhymes & wordplay

Anagrams

OdinaniOdinian
Cite this entry
APA

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

MLA

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

Chicago

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

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