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preignition

American  
[pree-ig-nish-uhn] / ˌpri ɪgˈnɪʃ ən /

noun

  1. ignition of the charge in an internal-combustion engine earlier in the cycle than is compatible with proper operation.

Etymology

Origin of preignition

First recorded in 1895–1900; pre- + ignition

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.

“We want to keep this fire on the ground — scorch height, but no higher,” Jason Wingard, the burn boss, told his crew in the preignition briefing.

From Washington Post • Jun. 17, 2019

Seconds later, preignition pyros fired, igniting the main engines, and the MAV lurched upward.

From "The Martian" by Andy Weir

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.