Usually means: Soft, silvery metal, highly reactive.
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We found 27 dictionaries that define the word Rubidium:

General (19 matching dictionaries)
  1. rubidium: Merriam-Webster
  2. rubidium: Oxford Learner's Dictionaries
  3. rubidium: American Heritage Dictionary of the English Language
  4. rubidium: Collins English Dictionary
  5. rubidium: Vocabulary.com
  6. Rubidium, rubidium: Wordnik
  7. rubidium: Wiktionary
  8. rubidium: Webster's New World College Dictionary, 4th Ed.
  9. rubidium: The Wordsmyth English Dictionary-Thesaurus
  10. rubidium: Infoplease Dictionary
  11. rubidium: Dictionary.com
  12. Rubidium: Wikipedia, the Free Encyclopedia
  13. Rubidium: Online Plain Text English Dictionary
  14. rubidium: Webster's Revised Unabridged, 1913 Edition
  15. rubidium: Rhymezone
  16. Rubidium: AllWords.com Multi-Lingual Dictionary
  17. rubidium: FreeDictionary.org
  18. rubidium: Mnemonic Dictionary
  19. rubidium: TheFreeDictionary.com

Computing (1 matching dictionary)
  1. rubidium: Encyclopedia

Medicine (5 matching dictionaries)
  1. rubidium: Merriam-Webster Medical Dictionary
  2. Dorland's Illustrated Medical Dictionary (No longer online)
  3. Medical Dictionary (No longer online)
  4. online medical dictionary (No longer online)
  5. rubidium: Medical dictionary

Science (2 matching dictionaries)
  1. Rubidium: Extragalactic Astronomy
  2. Rubidium, rubidium: WebElements Periodic Table of the Elements

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Definitions from Wiktionary (rubidium)

▸ noun:  (uncountable) The chemical element (symbol Rb) with an atomic number of 37. It is a soft, highly reactive alkali metal.
▸ noun:  (countable) A single atom of this element.

Similar:
RB, atomic number 37, rhodium, radon, rhenium, rutherfordium, roentgenium, ruthenium, exradio, röntgenium, more...

Phrases:
Rubidium chloride, rubidium bromide, rubidium strontium dating, rubidium 82, rubidium oxide, more...

Adjectives:
liquid, radioactive, natural, more, total, pure, metallic, exchangeable, atomic, separate, stable



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Similar:
RB, atomic number 37, rhodium, radon, rhenium, rutherfordium, roentgenium, ruthenium, exradio, röntgenium, more...

Phrases:
Rubidium chloride, rubidium bromide, rubidium strontium dating, rubidium 82, rubidium oxide, Rubidium standard, Isotopes of rubidium, more...

Adjectives:
liquid, radioactive, natural, more, total, pure, metallic, exchangeable, atomic, separate, stable



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