an alternating-current power source with a condenser discharging across a spark gap.
noun 1. an informal name for electrician
noun, British. 1. spark plug (def 1). sparking plug noun 1. a device screwed into the cylinder head of an internal-combustion engine to ignite the explosive mixture by means of an electric spark which jumps across a gap between a point earthed to the body of the plug and the tip of a central insulated […]
noun, Electricity. 1. the minimum voltage required to produce a spark across a given spark gap.
[spahrk-kil-er] /ˈspɑrkˌkɪl ər/ noun, Electricity. 1. 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.