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English Fox - English Dictionary
Meaning of
protoactinium
in English
protoactinium
us
//ˌproʊtoʊkˈtɪniəm//
uk
//ˌprəʊtəʊkˈtɪniəm//
#uncommon
Definitions
Noun
an
outdated
term
for
protactinium
The
scientist
studied
the
properties
of
protoactinium
in
the
laboratory
.
