Meaning & use
sensor
A device that detects a physical property, such as light, heat, or motion, and produces a signal in response.
See it in a sentence
A motion sensor turns on the porch light whenever someone walks up the driveway.
The car's rain sensor automatically switches on the windshield wipers.
A note on using this word
Sensor is often confused with 'censor,' which means to review and remove content; the words are unrelated.
Words with a similar meaning
detector
Choose a synonym to suit the sentence. Meanings can overlap without being identical.
Make it your own
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