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English Fox - English Dictionary
Meaning of
promethium
in English
promethium
us
//ˌpɹoʊˈmiː.ni.əm//
uk
//ˌpɹəʊˈmiː.ʃi.əm//
#uncommon
Definitions
Noun
a
radioactive
metal
element
(
symbol
Pm
;
atomic
number
61
)
Promethium
is
a
highly
radioactive
metal
element
with
the
symbol
Pm
.
