motion sensor

Exemple: 
The bank's security system included a motion sensor that could detect the movement of intruders.
Intel Free Press
https://flic.kr/p/cSweR7
Llicència de fotografia: 
CC: Propietat, Ús comercial
Regionalism: 
Neutral
Regional variant: 
Neutral
Full Expression: 
: motion sensor
Francès
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No
Castellà
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No
Alemany
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No
Portuguès
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No

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

Xinès
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No
Italià
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No
Alsacien
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No
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