Search a word

sensor

Definition

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

Examples

a motion/optical 'sensor'

Movie clips

Movie quotes

(..) You know,I always say when one door closes,another one opens. No,it doesn'T. Not unless the two doors are connected by relays or there are motion sensors involved. No,no,I meant... or if the first door closing creates a change of air pressure that acts upon the second door. Never mind. Slow down. (..)
2007 TvShow: The Big Bang Theory Title: The Luminous Fish Effect Season: 1 Episode 4