Definitions for "Spark plug"
In internal-combustion engines with electric ignition, a plug, screwed into the cylinder head, connected with the induction coil or magneto circuit on the outside, and used to produce a spark to ignite the fuel-air mixture in the engine.
A device inserted into the combustion chamber of an engine that provides the gap across which the high-tension voltage jumps, creating a spark that ignites the compressed fuel-air mixture.
Insulated plug that supports the electrodes between which the high voltage spark passes to initiate ignition.
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a consistent, level-headed, full-of-common-sense individual who keeps the chapter active