Search Result：promethium
promethium 
(TTS Sound)
(TTS Sound)KK Pronunciation
〔 prәˋmiθIәm 〕
Pronunciation
〔 prәˊmiːθiәm 〕
Overview of noun promethium
The noun promethium has 1 sense
- promethium, Pm, atomic number 61 -- (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)