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Showing results for spark plug. Search instead for smart plug.
Definitions

spark plug

NOUN
device that ignites fuel in engine
Synonyms


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The spark plug ignites a fuel-air mix, causing the rotor to turn a shaft, creating motion.

From The Wall Street Journal Apr. 24, 2026

First Brands said Monday it has started winding down Brake Parts, aftermarket parts maker Cardone and spark plug manufacturer Autolite.

From The Wall Street Journal Jan. 26, 2026

That caused a short-circuit and "arcing" - electric sparks like those in a spark plug - which resulted in a "catastrophic failure".

From BBC Jul. 2, 2025

The 5-foot-10, 165-pound Carroll isn’t just the Diamondbacks’ spark plug; he’s their best player.

From Los Angeles Times Oct. 26, 2023

There were times when a crew needed that kind of spark plug to get it revved up and firing on all cylinders.

From "The Boys in the Boat: Nine Americans and Their Epic Quest for Gold at the 1936 Berlin Olympics" by Daniel James Brown




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