present participle of spark test

plural of spark plug

plural of spark gap

plural of spark knock

(dated) spark plug

(transitive) to rekindle / (transitive) to make more exotic or fun / (intransitive) To light up; light a cigarette or start smoking a pipe, bong, etc.

Any device that prevents the emission of flammable debris from combustion sources.

vital force (or the application of such a force)

A spark produced by the jumping of electricity across a permanent gap.

plural of spark coil