dirubidium

D2I1R1U1B3I1D2I1U1M3

noun

Two atoms of rubidium in a compound

OriginEnglish rubidium ← New Latin rubidium ← Latin rūbidus →
Scrabble 16
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Meanings

noundirubidium (uncountable)
  1. in compoundsuncountablechemistryTwo atoms of rubidium in a compound
  2. uncountableDiatomic rubidium, Rb₂

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*h₁rewdʰ-
  8. Proto-Indo-European*dʰeh₁-
  9. Latinrūbidus
  10. New Latinrubidium
  11. Englishrubidium
  12. Englishdirubidium

From di- + rubidium.

Full word history & related roots →
Cite this entry
APA

dirubidium. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/dirubidium

MLA

“dirubidium.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/dirubidium. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “dirubidium,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/dirubidium.

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