radioelement

noun
ra·dio·el·e·ment | \ˌrā-dē-ō-ˈe-lə-mənt \

Definition of radioelement 

: a radioactive element

First Known Use of radioelement

1903, in the meaning defined above

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The first known use of radioelement was in 1903

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radioelement

noun
ra·dio·el·e·ment | \-ˈel-ə-mənt \

Medical Definition of radioelement 

: a radioactive element whether formed naturally or produced artificially — compare radioisotope

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