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A Writer's Dictionary:

erbium Definition


Dictionary Home » Words Starting with E » equinoctial point ... erred » erbium


erbium
noun
    1. chem.
      (symbol Er, atomic number 68) a soft silvery metallic element, that absorbs neutrons and has a high electrical resistivity.
Etymology: 19c: from the name Ytterby in Sweden, where it was first discovered.



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