promethium


Definition: Meaning of, promethium in English to English dictionary.

Pronunciation: / prəˈmiːθɪəm /

  • noun
  • synonym
  • antonym
Word Forms:
Singular Plural
promethium promethiums
  1. 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
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