SINCE 1828

An Encyclopædia Britannica Company

spark gap

noun

Definition of spark gap

: a space between two high-potential terminals (as of an induction coil or spark plug) through which pass discharges of electricity; also : a device having a spark gap

First Known Use of spark gap

1889

Learn More about spark gap

See words that rhyme with spark gap Britannica.com: Encyclopedia article about spark gap

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