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operator
noun
someone
whose
job
is
to
control
a
machine
,
vehicle
,
or
system
β’
The
escalator
stopped
because
the
operator
turned
it
off
for
maintenance
.
The
escalator
stopped
because
the
operator
turned
it
off
for
maintenance
.
β’
A
skilled
crane
operator
lifted
the
steel
beams
into
place
.
A
skilled
crane
operator
lifted
the
steel
beams
into
place
.
From
Latin
β
operator
β
meaning
β
worker
β,
from
β
operΔrΔ«
β β
to
work
β.
noun
a
person
whose
job
is
to
connect
telephone
calls
and
give
information
to
callers
β’
When
I
dialed
zero
,
the
operator
asked
which
department
I
wanted
.
When
I
dialed
zero
,
the
operator
asked
which
department
I
wanted
.
β’
In
old
movies
,
you
often
see
a
telephone
operator
plugging
cables
into
a
big
board
.
In
old
movies
,
you
often
see
a
telephone
operator
plugging
cables
into
a
big
board
.
Extension
of
the
general
sense
β
one
who
operates
β,
applied
to
early
telephone
switchboards
in
the
late
19th
century
.
noun
a
symbol
or
word
in
mathematics
or
computing
that
tells
the
system
to
perform
a
particular
calculation
or
action
β’
In
the
equation
3
+
2
,
the
plus
sign
is
an
operator
.
In
the
equation
3
+
2
,
the
plus
sign
is
an
operator
.
β’
Use
the
multiplication
operator
*
to
find
the
product
of
two
numbers
in
the
program
.
Use
the
multiplication
operator
*
to
find
the
product
of
two
numbers
in
the
program
.
Technical
use
developed
in
the
19th
century
to
name
symbols
that
β
operate
β
on
numbers
or
variables
.
noun
informal
:
someone
who
is
very
good
at
making
deals
or
getting
what
they
want
,
often
in
a
clever
or
sometimes
dishonest
way
β’
Jake
is
a
real
operator
;
he
always
walks
away
with
the
best
bargain
.
Jake
is
a
real
operator
;
he
always
walks
away
with
the
best
bargain
.
β’
The
smooth
operator
convinced
investors
to
fund
his
risky
scheme
.
The
smooth
operator
convinced
investors
to
fund
his
risky
scheme
.
Metaphorical
extension
from
β
one
who
works
machinery
β
to
β
one
who
skillfully
works
situations
β,
attested
since
the
early
20th
century
.
