WordNet: Pm, atomic number 61, promethium
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
- hypernym metal, metallic element
Pm
- (suomi) Pm (synonyymi)
atomic number 61
- (suomi) järjestysluku 61 (synonyymi)
promethium
- (suomi) prometium (synonyymi)