spark coil

American  

noun

Electricity.

1. a coil of many turns of insulated wire on an iron core, used for producing sparks.

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spark coil British  

noun

1. an induction coil used to produce spark discharges

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Etymology

Origin of spark coil

First recorded in 1895–1900

Example Sentences

Nick Jr., the first in his family to receive a formal education, became fixated on electricity when he helped his godfather repair the spark coils on his Model T Ford.

From New York Times

This winding constitutes all of the magneto windings, no external spark coil being necessary.

From Project Gutenberg

She turned the fly wheel far enough to get the buzz of the spark coils.

From Project Gutenberg

With batteries and a spark coil, we can easily send that distance, certainly in this mountain atmosphere.

From Project Gutenberg

In wireless telegraphy, a spark coil sets up waves in the ether and other coils similarly "tuned," receive the waves anywhere in the universe.

From Project Gutenberg