spark
131spark plug — 1. a device designed to fit in each cylinder of a gasoline powered internal combustion engine and to produce the electric spark for igniting the mixture of gasoline and air. 2. Informal. a person who leads, inspires, or animates a group. [1900… …
132Spark printer — A spark printer is an obsolete form of computer printer which uses a special paper coated with a layer of aluminium over a black backing, which is printed on by using a pulsing current onto the paper via two styli that move across on a moving… …
