sensor

Related Terms
Device that detects (senses) changes in the ambient conditions or in the state of another device or a system, and conveys or records this information in a certain manner.

Use sensor in a sentence

We didn't think we could break into the house because their was a sensor at every corner of the house and it could detect even the slightest movement.
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The air freshener has been designed with a motion detection sensor, and will release a puff of fragrance into the air whenever someone walks by.
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The sensor functioned consistently and perfectly for years so we decided to give our business to the same company for the next project.
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