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insulation
noun
a
material
or
substance
used
for
preventing
the
loss
or
entry
of
heat
,
electricity
,
or
sound
.
•
The
attic
needs
more
insulation
to
keep
the
house
warm
during
winter
.
The
attic
needs
more
insulation
to
keep
the
house
warm
during
winter
.
•
Sound
insulation
between
the
rooms
stops
the
music
from
being
too
loud
.
Sound
insulation
between
the
rooms
stops
the
music
from
being
too
loud
.
From
'insulate'
+
'-ion'
;
'insulate'
from
Latin
'insulatus'
,
past
participle
of
'insulāre'
(
'to
make
into
an
island'
),
from
'insula'
(
'island'
),
because
it
isolates
like
an
island
.
noun
a
non-conducting
covering
for
electric
wires
and
equipment
that
protects
against
electric
shock
.
•
The
electrician
checked
the
wire
insulation
for
any
damage
.
The
electrician
checked
the
wire
insulation
for
any
damage
.
•
Damaged
insulation
on
the
cable
can
cause
a
short
circuit
.
Damaged
insulation
on
the
cable
can
cause
a
short
circuit
.
From
'insulate'
+
'-ion'
;
'insulate'
from
Latin
'insulatus'
,
past
participle
of
'insulāre'
(
'to
make
into
an
island'
),
from
'insula'
(
'island'
).