Caesium

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The American Heritage® Dictionary of the English Language, 4th Edition
  • n. Variant of cesium.
  • Wiktionary, Creative Commons Attribution/Share-Alike License
  • n. A metallic chemical element (symbol Cs) with an atomic number of 55.
  • the GNU version of the Collaborative International Dictionary of English
  • n. A rare alkaline metal found in mineral water; -- so called from the two characteristic blue lines in its spectrum. It was the first element discovered by spectrum analysis, and is the most strongly basic and electro-positive substance known. Symbol Cs. Atomic number 55. Atomic weight 132.6.
  • The Century Dictionary and Cyclopedia
  • n. Chemical symbol, Cs; atomic weight, 132.8. A rare metal discovered by Bunsen and Kirchhoff by spectrum analysis in the saline waters of Dürkheim in Germany, and subsequently in other mineral waters.
  • WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
  • n. a soft silver-white ductile metallic element (liquid at normal temperatures); the most electropositive and alkaline metal
  • Equivalent
    cæsium   
    Hypernym
    Words that are more generic or abstract
    Cross Reference
    pollucite    lepidolite   
    Hyponym
    cesium 137   
    Synonym
    Words with the same meaning
    cesium    Cs