promethium (n)
Pm (n)
atomic number 61 (n)

n14651479

type n
lex_filenum 27
def a soft silvery metallic element of the rare earth group having no stable isotope
def was discovered in radioactive form as a fission product of uranium
Outgoing links
Hypernym metallic element, metal
Incoming links
Hyponym metallic element, metal

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