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
(..) Can I be the first to say, "Ew!" We gotta go tell Gru! All right, I'm going in. If it picks up any traces of the serum, the sensor in your belt buckle will make a sound like this... Mee-maw! Mee-maw! Okay! I get it. I get it. Welcome to Eagle Hair Club. (..)
