pre-ignition
Britishnoun
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ignition of all or part of the explosive charge in an internal-combustion engine before the exact instant necessary for correct operation
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.
Today, ethanol is often added to petrol to prevent pre-ignition, or “knocking.”
From Nature • Jun. 22, 2011
If the surface of the metal body looks as if chunks are missing, you�ll probably notice considerable engine ping or pre-ignition.
From Time Magazine Archive
It has been found necessary to develop special types of pistons to carry the heat from the center of the head in order to prevent pre-ignition.
From Aviation Engines Design?Construction?Operation and Repair by Pag?, Victor Wilfred
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Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.