carbon knock

noun

Definition of carbon knock

: preignition with resultant knocking in an internal-combustion engine caused by the overheating of an accumulation of carbon in the combustion chambers

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Cite this Entry

“Carbon knock.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/carbon%20knock. Accessed 8 December 2019.

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