Meaning of the word "spark plug" in English

What does "spark plug" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

spark plug

US /ˈspɑːrk ˌplʌɡ/

UK /ˈspɑːrk ˌplʌɡ/

a device for firing the explosive mixture in an internal combustion engine

Example:

•

The mechanic replaced the faulty spark plug.

•

A worn-out spark plug can cause engine misfires.

Synonym:

ignition plug

a person or thing that is a catalyst for a development or event

Example:

•

Her innovative idea was the spark plug for the entire project.

•

He acted as the spark plug, motivating the team to achieve their goals.

Synonym:

catalyst impetus stimulus initiator driver

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