sensor
noun/ˈsensə(r)/
/ˈsensər/
- a device that can react to light, heat, pressure, etc. in order to make a machine, etc. do something or show something
- security lights with an infrared sensor (= that come on when a person is near them)
Oxford Collocations DictionarySensor is used after these nouns:- motion
- pressure
- temperature
- …
Word Origin1950s: from sensory, on the pattern of motor.
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sensor