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



BrE BrE//tekˈniːʃiəm//
; NAmE NAmE//tekˈniːʃiəm//
[uncountable] (symbol Tc)
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a chemical element. Technetium is found naturally as a product of uranium or made artificially from molybdenum. Word Origin1940s: modern Latin, from Greek tekhnētos ‘artificial’, from tekhnasthai ‘make by art’, from tekhnē ‘art’.
See the Oxford Advanced American Dictionary entry: technetium