Tikibu: pronunciation dictionary with use examples
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Word:
promethium
IPA transcription: [pɹəm'iθ,iəm]
noun
meaning of the word
Synonyms:
promethium, Pm, atomic_number_61
Meaning:
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
Usage examples