operation
English Dictionary
->
Letter O
-> operation
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operation Definition
(n)
a
business
especially
one
run
on
a
large
scale
; "
a
large
-
scale
farming
operation
"; "
a
multinational
operation
"; "
they
paid
taxes
on
every
stage
of
the
operation
"; "
they
had
to
consolidate
their
operations
"
(n)
a
planned
activity
involving
many
people
performing
various
actions
; "
they
organized
a
rescue
operation
"; "
the
biggest
police
operation
in
French
history
"; "
running
a
restaurant
is
quite
an
operation
"; "
consolidate
the
companies
various
operations
"
(n)
a
process
or
series
of
acts
especially
of
a
practical
or
mechanical
nature
involved
in
a
particular
form
of
work
; "
the
operations
in
building
a
house
"; "
certain
machine
tool
operations
"
(n)
the
state
of
being
in
effect
or
being
operative
; "
that
rule
is
no
longer
in
operation
"
(n)
a
medical
procedure
involving
an
incision
with
instruments
;
performed
to
repair
damage
or
arrest
disease
in
a
living
body
; "
they
will
schedule
the
operation
as
soon
as
an
operating
room
is
available
"; "
he
died
while
undergoing
surgery
"
(n)
activity
by
a
military
or
naval
force
(
as
a
maneuver
or
campaign
); "
it
was
a
joint
operation
of
the
navy
and
air
force
"
(n) (
computer
science
)
data
processing
in
which
the
result
is
completely
specified
by
a
rule
(
especially
the
processing
that
results
from
a
single
instruction
); "
it
can
perform
millions
of
operations
per
second
"
(n)
process
or
manner
of
functioning
or
operating
; "
the
power
of
its
engine
determine
its
operation
"; "
the
plane
''
s
operation
in
high
winds
"; "
they
compared
the
cooking
performance
of
each
oven
"; "
the
jet
''
s
performance
conformed
to
high
standards
"
(n) (
mathematics
)
calculation
by
mathematical
methods
; "
the
problems
at
the
end
of
the
chapter
demonstrated
the
mathematical
processes
involved
in
the
derivation
"; "
they
were
learning
the
basic
operations
of
arithmetic
"
(n) (
psychology
)
the
performance
of
some
composite
cognitive
activity
;
an
operation
that
affects
mental
contents
; "
the
process
of
thinking
"; "
the
cognitive
operation
of
remembering
"
(n)
the
activity
of
operating
something
(
a
machine
or
business
etc
.); "
her
smooth
operation
of
the
vehicle
gave
us
a
surprisingly
comfortable
ride
"
operation Synonyms
cognitive operation
cognitive process
functioning
mathematical operation
mathematical process
mental process
military operation
operation
performance
procedure
process
surgery
surgical operation
surgical procedure
surgical process
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