Definition of radioelement in English:

radioelement

Syllabification: ra·di·o·el·e·ment
Pronunciation: /ˌrādēōˈeləmənt
 
/

noun

  • A radioactive element or isotope.

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Word of the day astrogation
Pronunciation: ˌastrəˈgāSHən
noun
(in science fiction) navigation in outer space