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tantalum

Pronunciation: /ˈtantələm/
Definition of tantalum

noun

[mass noun]
  • the chemical element of atomic number 73, a hard silver-grey metal of the transition series. (Symbol: Ta)

Derivatives

tantalic

adjective

Origin:

early 19th century: from Tantalus, with reference to its frustrating insolubility in acids

tantalum in other Oxford dictionaries

Definition of tantalum in the US English dictionary
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