Sensor (Noun)
Meaning
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.
Classification
Nouns denoting man-made objects.
Examples
- The smoke detector is a sensor that triggers the alarm when it detects smoke particles in the air.
- The thermostat is a temperature sensor that regulates the heating and cooling system in the house.
- The camera's light sensor adjusts the exposure to ensure that the image is not overexposed or underexposed.
- The airbag system in the car is triggered by a sensor that detects the impact of a collision.
- The smartphone's motion sensor allows it to automatically switch from portrait to landscape mode when the device is rotated.