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sensor

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noun sen·sor \ˈsen-ˌsȯr, ˈsen(t)-sər\

Simple Definition of sensor

  • : a device that detects or senses heat, light, sound, motion, etc., and then reacts to it in a particular way

Source: Merriam-Webster's Learner's Dictionary

Full Definition of sensor

  1. 1 :  a device that responds to a physical stimulus (as heat, light, sound, pressure, magnetism, or a particular motion) and transmits a resulting impulse (as for measurement or operating a control)

  2. 2 :  sense organ

Examples of sensor in a sentence

  1. Image sensors are used in digital cameras.

  2. Infrared sensors can track an object's movement.



Origin of sensor

Latin sentire to perceive + English 1-or — more at sense


First Known Use: circa 1928

Rhymes with sensor


Medical Dictionary

sensor

play play
noun sen·sor \ˈsen-ˌsȯ(ə)r, ˈsen(t)-sər\

Medical Definition of sensor

  1. :  a device that responds to a physical stimulus (as heat, light, sound, pressure, magnetism, or a particular motion) and transmits a resulting impulse (as for measurement or operating a control); also :  sense organ





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