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

The big brother took another degree, A. M. The young brother accepted his fortune and buckled down to work, for a shoe company, an optical company, the General Electric Co., a spark coil company.

From Time Magazine Archive

The magneto was out of order and the batteries needed renewing, while the spark coil had short-circuited and took considerable time to adjust.

From Tom Swift and His Motor-Boat, or, the Rivals of Lake Carlopa by Appleton, Victor [pseud.]

To charge a condenser a spark coil or a transformer is used and the ends of the secondary coil, which delivers the high potential alternating current, are connected with the condenser.

From The Radio Amateur's Hand Book by Collins, A. Frederick (Archie Frederick)

"You wouldn't have beaten me if my spark coil hadn't gone back on me," he said, somewhat sneeringly.

From Tom Swift and His Motor-Boat, or, the Rivals of Lake Carlopa by Appleton, Victor [pseud.]

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 A Rational Theology As Taught by the Church of Jesus Christ of Latter-day Saints by Widtsoe, John A.