ozone layer
English Dictionary
->
Letter O
-> ozone layer
Search Dictionary:
ozone layer Definition
(n)
a
layer
in
the
stratosphere
(
at
approximately
20
miles
)
that
contains
a
concentration
of
ozone
sufficient
to
block
most
ultraviolet
radiation
from
the
sun
ozone layer Synonyms
ozone layer
ozonosphere
© Art Branch Inc.