Dirubidium
noun
noun ·Rare ·Advanced level
Definitions
Noun
- 1 Two atoms of rubidium in a compound in-compounds, uncountable
- 2 Diatomic rubidium, Rb₂ uncountable
Etymology
From di- + rubidium.
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.