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spark gap
noun
, Electricity.
- a space between two electrodes, across which a discharge of electricity may take place.
- the electrodes and the space between, considered as a unit: used in ignition systems.
spark gap
noun
- the space between two electrodes across which a spark can jump Sometimes shortened togap
spark gap
- A gap in an otherwise closed electric circuit across which a discharge occurs at a prescribed voltage. The discharge often causes ionization of the surrounding gas and thereby very high temperatures, and can be exploited, as in spark plugs, to ignite engine fuel in a combustion chamber.
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Word History and Origins
Origin of spark gap1
First recorded in 1885–90
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