Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun spark_gap

2 senses of spark gap

Sense 1
spark gap -- (a component of an ignition system; consists of two shaped electrodes and the space between them)
       => component, constituent, element -- (an artifact that is one of the individual parts of which a composite entity is made up; especially a part that can be separated from or attached to a system; "spare components for cars"; "a component or constituent element of a system")

Sense 2
spark gap -- (the gap between two high-potential terminals)
       => gap, crack -- (a narrow opening; "he opened the window a crack")