HyperDic: promethium

English > 1 sense of the word promethium:
NOUNsubstancepromethium, Pm, atomic number 61a soft silvery metallic element of the rare earth group having no stable isotope
promethium > pronunciation
Soundsprahmiy'thiyahm
Rhymesabolitionism ... zirconium: 557 rhymes with ahm...
English > promethium: 1 sense > noun 1, substance
MeaningA soft silvery metallic element of the rare earth group having no stable isotope; was discovered in radioactive form as a fission product of uranium.
SynonymsPm, atomic number 61
Broadermetallic element, metalAny of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.
Spanishnúmero atómico 61, promecio, prometio
Catalanprometi

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