spark-killer

[ spahrk-kil-er ]
/ ˈspɑrkˌkɪl ər /

noun Electricity.

a device for diminishing sparking, consisting of a capacitor and a resistor connected in series across two points where sparking may occur in a circuit.

Origin of spark-killer

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019