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Definition of technetium noun from the Oxford Advanced American Dictionary

 

technetium

 noun
noun
NAmE//tɛkˈniʃiəm//
 
, NAmE//tɛkˈniʃəm//
 
[uncountable] (symbol Tc)
 
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a chemical element. Technetium is found naturally as a product of uranium or made artificially from molybdenum.
See the Oxford Advanced Learner's Dictionary entry: technetium