- noun a device used in an electrical or electronic system to reduce unwanted currents, e.g. a resistor or grid
Cars & Driving
- noun an electrical device used in car circuits to damp out and filter out radio or TV interference caused mainly by the ignition system and battery circuit
- A component, circuit, device, unit, piece of equipment, system, or material which serves to significantly reduce or eliminate unwanted energy, undesired signals, interference signals, excessive currents, noise, echoes, or the like.