rubidium


Definition: Meaning of, rubidium in English to English dictionary.

Pronunciation: / rʊˈbɪdɪəm /

  • noun
  • synonym
  • antonym
Word Forms:
Singular Plural
rubidium rubidiums
  1. a soft silvery metallic element of the alkali metal group; burns in air and reacts violently in water; occurs in carnallite and lepidolite and pollucite
    SYNONYM
    ANTONYM
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synonym
antonym

rubidium used in phrases

  • rubidium-strontium dating (noun)
    1. geological dating based on the proportions of radioactive rubidium into its decay product strontium; radioactive rubidium has a half-life of 47,000,000,000 years
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word of the day

Pronunciation:
Parts of Speech: noun
1820-1893 born in Ireland british physicist remembered for his experiments on the transparency of gases and the absorption of radiant heat by gases and the transmission of sound through the atmosphere; he was the first person to explain why the daylight sky is blue