Meaning of TANTALUM
| Pronunciation: | | 'tantlum
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 WordNet Dictionary |
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| | Definition: | | [n] a hard gray lustrous metallic element that is highly corrosion-resistant; occurs in niobite and fergusonite and tantalite |
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| | Synonyms: | | atomic number 73, Ta |
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| | See Also: | | columbite, fergusonite, metal, metallic element, niobite, tantalite | |
| Webster's 1913 Dictionary |
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| | Definition: | | \Tan"ta*lum\, n. [NL. So named on account of the
perplexity and difficulty encounterd by its discoverer
(Ekeberg) in isolating it. See {Tantalus}.] (Chem.)
A rare nonmetallic element found in certain minerals, as
tantalite, samarskite, and fergusonite, and isolated as a
dark powder which becomes steel-gray by burnishing. Symbol
Ta. Atomic weight 182.0. Formerly called also {tantalium}.
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