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echo
noun
-
echo
,
echoes
a
sound
that
is
heard
again
because
it
has
bounced
off
a
surface
such
as
a
wall
,
mountain
,
or
building
•
The
echo
of
the
church
bells
filled
the
quiet
valley
.
The
echo
of
the
church
bells
filled
the
quiet
valley
.
•
She
shouted
into
the
cave
and
waited
for
an
echo
to
answer
.
She
shouted
into
the
cave
and
waited
for
an
echo
to
answer
.
From
Latin
echo
,
from
Ancient
Greek
ēkhō
meaning
‘
sound
’.
verb
-
echo
,
echoing
,
echoes
,
echoed
to
make
a
sound
that
is
repeated
because
it
bounces
off
a
surface
,
or
to
repeat
what
someone
else
has
said
or
written
•
Laughter
echoed
through
the
narrow
alley
.
Laughter
echoed
through
the
narrow
alley
.
•
His
remarks
echoed
the
concerns
raised
by
many
experts
.
His
remarks
echoed
the
concerns
raised
by
many
experts
.
From
the
noun
sense
of
echo
,
used
as
a
verb
since
the
early
17th
century
.
noun
-
echo
,
echoes
a
person
,
action
,
or
thing
that
closely
copies
or
reminds
you
of
someone
or
something
else
•
Her
painting
is
an
echo
of
Monet
’
s
early
work
.
Her
painting
is
an
echo
of
Monet
’
s
early
work
.
•
The
new
policy
is
an
echo
of
past
mistakes
.
The
new
policy
is
an
echo
of
past
mistakes
.
Extended
figurative
use
developed
in
the
late
19th
century
.
noun
-
echo
,
echoes
a
computer
command
that
displays
a
line
of
text
or
the
value
of
a
variable
•
Type
echo
%USERNAME%
to
see
your
login
name
.
Type
echo
%USERNAME%
to
see
your
login
name
.
•
The
script
uses
the
echo
command
to
print
status
messages
.
The
script
uses
the
echo
command
to
print
status
messages
.
Borrowed
from
the
ordinary
noun
,
adopted
for
computing
use
in
the
1960s
.