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rubidium

US [rʊ'bɪdiəm]
UK [rʊ'bɪdiəm]
  • n.
  • Web铷原子;铷离子;铷钟
rubidium
n.
1.
a chemical element. Rubidium is a rare soft silver-coloured metal that reacts strongly with water and burns when it is brought into contact with air.