terbium

noun ter·bi·um \ˈtər-bē-əm\

Definition of TERBIUM

: a metallic element of the rare-earth group — see element table

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New Latin, from Ytterby, Sweden

First Known Use: 1843

Medical Dictionary

noun ter·bi·um \ˈtər-bē-əm\

: a usually trivalent metallic element of the rare-earth group—symbol Tb; see element table

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