Sensor meaning

sĕnsər, -sôr
Frequency:
The definition of a sensor is a tool that is designed to detect something and then to respond by taking a specific action.

An example of a sensor is how a GPS picks up a signal and relays that information in the form of directions.

noun
4
0
Any of various devices designed to detect, measure, or record physical phenomena, as radiation, heat, or blood pressure, and to respond, as by transmitting information, initiating changes, or operating controls.
noun
0
0
A device, such as a photoelectric cell, that receives and responds to a signal or stimulus.
noun
0
0
A device that measures or detects a real-world condition, such as motion, heat or light and converts the condition into an analog or digital representation. An optical sensor detects the intensity or brightness of light, or the intensity of red, green and blue for color systems. See smart sensor, sensor network and mote.
0
0
A device or organ that detects certain external stimuli and responds in a distinctive manner.
noun
0
0
Advertisement
A device, such as a photoelectric cell, that receives and responds to a signal or stimulus.
noun
0
1

Origin of sensor

  • Originated 1925–30 from sense + -or.

    From Wiktionary