Pronunciation · Spelling · Definition
How to say: promethium
Spelling:
Promethium
Syllables
promethium
US accent
/pɹoʊmˈiːθiəm/
UK accent
/pɹəʊmˈiːθiəm/
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Definition
Definition — a soft silvery metallic element of the rare earth group having no stable isotope; was discovered in radioactive form as a fission product of uranium