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Definition of terbium in English:

terbium

noun

mass noun

  • The chemical element of atomic number 65, a silvery-white metal of the lanthanide series.

    • ‘Green light is also emitted from some lanthanide elements: lanthanum, cerium, and terbium.’

Origin

Mid 19th century: modern Latin, from Ytterby, the name of a village in Sweden where it was discovered. Compare with erbium and ytterbium.

Pronunciation

terbium

/ˈtəːbɪəm/