radon
English Dictionary
->
Letter R
-> radon
Search Dictionary:
radon 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
radon Synonyms
atomic number 86
radon
Rn
© Art Branch Inc.