promethium

English - English

Definition of promethium in English English dictionary

a metallic chemical element (symbol Pm) with an atomic number of 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

{i} rare metallic element (Chemistry)

florentium

Hyphenation

pro·me·thi·um

Turkish pronunciation

prımithiım

Synonyms

florentium, illinium

Pronunciation

/prəˈmēᴛʜēəm/ /prəˈmiːθiːəm/

Etymology

() 1945. From the name of the Greek god Prometheus, who stole the fire from Mount Olympus and brought it down to mankind.