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26984 words
radar
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4 definitions • 5 examples
1
a
system
that
uses
radio
waves
to find the
position
of
objects
that cannot be seen:
Examples:
Other
vessels
in the
area
show up on the ship's radar (
screen
).
2
a
device
or
system
for
finding
the
position
or
speed
of
objects
, such as
aircraft
, that cannot be seen, by
measuring
the
direction
and
timing
of
short
radio
waves
that are
sent
out and
reflect
back from the
objects
3
if something is
below
or under the radar, people are not
aware
of it:
Examples:
They were
operating
under the radar,
selling
their
Web
wares
from some
garage
in Bakersfield.
Many
private
treatment
centres
are
slipping
under the radar
screen
of the
medical
authorities
.
4
used to say that people do or do not know about something or that something is or is not
important
to someone:
Examples:
He
dropped
off the
political
radar for
nearly
two
decades
.
Toy
safety
is
definitely
on
consumers
' radar.
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