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, in the meaning defined above

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The first known use of spark gap was in 1889

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Cite this Entry

“Spark gap.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/spark%20gap. Accessed 12 December 2019.

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