Definition of sensor in English:

sensor

Line breaks: sen¦sor
Pronunciation: /ˈsɛnsə
 
/

noun

A device which detects or measures a physical property and records, indicates, or otherwise responds to it: to ensure greater response and surer handling, the engineers used electronic sensors to monitor each wheel
More example sentences
  • The sensors measure the response of different parts of your brain to the noises.
  • They use infrared sensors to detect the stairs in your home and stay away from them.
  • The ship's sensors detect incoming threats, which the command system then analyses and evaluates.

Origin

1950s: from sensory, on the pattern of motor.

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