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26984 words
sensors
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2 definitions • 2 examples
1
a
device
that is used to
record
that something is
present
or that there are
changes
in something:
Examples:
The
security
device
has a
heat
sensor
which
detects
the
presence
of people and
animals
.
2
a
device
that
discovers
and
reacts
to
changes
in such things as
movement
,
heat
, and
light
:
Examples:
motion
/
radiation
/
humidity
sensors
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