noun tan·ta·lum \ˈtan-tə-ləm\

Definition of TANTALUM

:  a gray-white ductile acid-resisting metallic element found combined in rare minerals (as tantalite and columbite) and used especially in electronic components — see element table

Origin of TANTALUM

New Latin, from Latin Tantalus; from its inability to absorb acid
First Known Use: 1809


noun tan·ta·lum \ˈtant-əl-əm\   (Medical Dictionary)

Medical Definition of TANTALUM

:  a hard ductile gray-white acid-resisting metallic element of the vanadium family found combined in rare minerals and sometimes used in surgical implants and sutures—symbol Ta; see element table


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