terbium

A metallic chemical element (symbol Tb) with an atomic number of 65: a soft, silvery-white, rare earth metal that is malleable and ductile.

atomic number 65

τέρβιο

تربيوم

تيربيوم

terbiyûm

تِرْبِيُوم

From Ytterby + -ium, named after Ytterby, Sweden, the same etymological source as yttrium, erbium, and ytterbium.

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