spark plug definition, meaning - what is spark plug in the British English Dictionary & Thesaurus - Cambridge Dictionaries Online

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English definition of “spark plug”

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spark plug

noun [C] uk   us  

spark plug noun [C] (ENGINE)

a device in an engine that produces an electrical spark that lights the fuel and makes the engine start

spark plug noun [C] (PERSON)

US a person who gives energy to an activity involving others: She's the spark plug of the team.
Translations of “spark plug”
in Chinese (Traditional) 引擎, 火星塞…
in Russian свеча зажигания…
in Turkish buji…
in Chinese (Simplified) 引擎, 火花塞…
in Polish świeca zapłonowa…
(Definition of spark plug from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of spark plug?
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