sensor
noun
any device that receives a signal or stimulus (as heat or pressure or light or motion etc.) and responds to it in a distinctive manner
Source: WordNet 3.1, Princeton University
Sensor meaning
What does “sensor” mean? Definitions, examples, synonyms and opposites.
“sensor” is a noun with one meaning. Its most common meaning is: any device that receives a signal or stimulus (as heat or pressure or light or motion etc.) and responds to it in a distinctive manner.