motion sensor

Exemplo: 
The bank's security system included a motion sensor that could detect the movement of intruders.
Intel Free Press
https://flic.kr/p/cSweR7
Licença da foto: 
CC: Attribution, Commercial Use
Regionalism: 
Neutral
Regional variant: 
Neutral
Full Expression: 
: motion sensor
Francês
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No
Espanhol
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No
Alemão
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No
Português
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No

a device that contains a physical mechanism or electronic sensor that tracks motion

Chinês
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No
Italiano
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No
Alsacien
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No
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