English

Definition of tantalum noun from the Oxford Advanced Learner's Dictionary

 

tantalum

 noun
noun
BrE BrE//ˈtæntələm//
 
; NAmE NAmE//ˈtæntələm//
 
[uncountable] (symbol Ta)
 
jump to other results
a chemical element. Tantalum is a hard silver-grey metal used in the production of electronic parts and of metal plates and pins for connecting broken bones. Word Origin early 19th cent.: from Tantalus (a Lydian king in Greek mythology), with reference to its frustrating insolubility in acids.
See the Oxford Advanced American Dictionary entry: tantalum