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English Fox - English Dictionary
Meaning of
radon
in English
radon
us
//ˈɹædən//
uk
//ˈɹædn̩//
#uncommon
Definitions
Noun
a
radioactive
noble
gas
(
symbol
Rn
)
Radon
is
a
radioactive
gas
that
can
accumulate
in
buildings
.
a
stable
isotope
(
Radon-222
)
of
the
element
The
stable
isotope
Radon-222
has
a
half-life
of
approximately
3
.
8
days
.
