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operation
noun
the
way
a
machine
,
system
,
or
process
works
and
is
used
•
The
new
washing
machine
runs
quietly
during
its
operation
.
The
new
washing
machine
runs
quietly
during
its
operation
.
•
Engineers
watched
computer
screens
to
track
the
bridge
’
s
operation
on
a
windy
day
.
Engineers
watched
computer
screens
to
track
the
bridge
’
s
operation
on
a
windy
day
.
noun
a
business
or
organized
activity
that
produces
goods
or
provides
services
•
Her
cupcake
shop
started
as
a
small
home
operation
and
grew
into
three
busy
stores
.
Her
cupcake
shop
started
as
a
small
home
operation
and
grew
into
three
busy
stores
.
•
The
mining
operation
employs
hundreds
of
workers
in
the
desert
.
The
mining
operation
employs
hundreds
of
workers
in
the
desert
.
noun
a
medical
procedure
in
which
doctors
cut
into
the
body
to
treat
or
fix
something
•
The
heart
operation
lasted
four
hours
and
was
a
success
.
The
heart
operation
lasted
four
hours
and
was
a
success
.
•
After
her
knee
operation
,
she
used
crutches
for
two
weeks
.
After
her
knee
operation
,
she
used
crutches
for
two
weeks
.
noun
a
process
such
as
addition
,
subtraction
,
multiplication
,
or
division
that
changes
numbers
or
amounts
•
Multiplication
is
a
faster
operation
than
repeated
addition
.
Multiplication
is
a
faster
operation
than
repeated
addition
.
•
The
calculator
can
perform
every
basic
operation
.
The
calculator
can
perform
every
basic
operation
.
noun
a
planned
military
,
police
,
or
rescue
action
•
The
rescue
operation
saved
the
sailors
from
the
sinking
ship
.
The
rescue
operation
saved
the
sailors
from
the
sinking
ship
.
•
Police
launched
an
undercover
operation
to
catch
the
smugglers
.
Police
launched
an
undercover
operation
to
catch
the
smugglers
.
noun
an
action
or
command
that
a
computer
or
machine
carries
out
on
data
•
Copying
a
file
is
a
simple
operation
in
most
operating
systems
.
Copying
a
file
is
a
simple
operation
in
most
operating
systems
.
•
The
robot
repeated
the
sorting
operation
thousands
of
times
without
error
.
The
robot
repeated
the
sorting
operation
thousands
of
times
without
error
.
