Definition of erbium in English:



(also Er)
  • The chemical element of atomic number 68, a soft silvery-white metal of the lanthanide series.

    ‘The village is Ytterby and the elements are yttrium, erbium, terbium and ytterbium.’
    • ‘Is there enough chromium, cobalt, helium, and manganese - not to mention erbium, europium, and gadolinium - on the planet to last indefinitely?’
    • ‘The devices typically consist of a single-mode fiber core doped with erbium, ytterbium, or a combination thereof; other dopants such as thulium can be used, but the development effort is less advanced.’
    • ‘But by cooling liquid glass very quickly, CRI achieves a more uniform distribution of atoms, allowing the addition of rare-earth elements such as erbium and ytterbium.’
    • ‘For the destructive lasers, meaning carbon dioxide or erbium or blends of those two, the risk of scarring is higher.’



/ˈərbēəm/ /ˈərbiəm/


Mid 19th century modern Latin, from Ytterby, in Sweden, where it was first found. Compare with ytterbium.