Rn
English Dictionary
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Rn Definition
(n)
a
radioactive
gaseous
element
formed
by
the
disintegration
of
radium
;
the
heaviest
of
the
inert
gasses
;
occurs
naturally
(
especially
in
areas
over
granite
)
and
is
considered
a
hazard
to
health
(n)
a
graduate
nurse
who
has
passed
examinations
for
registration
Rn Synonyms
atomic number 86
radon
registered nurse
RN
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