toqus
Picture Dictionary
English
한국어
Register
Login
🔍
radar
noun
A
piece
of
equipment
,
often
a
rotating
dish
or
antenna
,
that
uses
radar
technology
to
detect
and
track
objects
.
•
A
technician
climbed
the
tower
to
repair
the
airport's
main
radar
.
A
technician
climbed
the
tower
to
repair
the
airport's
main
radar
.
•
The
police
car
hid
behind
trees
,
its
speed
radar
aimed
at
passing
traffic
.
The
police
car
hid
behind
trees
,
its
speed
radar
aimed
at
passing
traffic
.
noun
A
technology
that
sends
out
radio
waves
and
measures
their
echoes
to
discover
the
position
,
distance
,
or
speed
of
things
like
aircraft
,
ships
,
or
storms
.
•
Air
traffic
controllers
rely
on
radar
to
track
planes
during
bad
weather
.
Air
traffic
controllers
rely
on
radar
to
track
planes
during
bad
weather
.
•
The
storm
appeared
on
the
ship's
radar
as
a
swirling
mass
of
clouds
.
The
storm
appeared
on
the
ship's
radar
as
a
swirling
mass
of
clouds
.
Originally
an
acronym
for
“
Radio
Detection
And
Ranging
,”
coined
by
the
United
States
Navy
in
1940
and
soon
adopted
as
a
regular
English
word
.
noun
People
’
s
notice
,
interest
,
or
awareness
,
especially
in
phrases
like
“
on
the
radar
,” “
under
the
radar
,”
or
“
off
the
radar
.”
•
That
small
startup
is
suddenly
on investors' radar
.
That
small
startup
is
suddenly
on investors' radar
.
•
His
mistake
fell
off the manager's radar
,
so
he
stopped
worrying
.
His
mistake
fell
off the manager's radar
,
so
he
stopped
worrying
.