preignition

noun

pre·​ig·​ni·​tion ˌprē-ig-ˈni-shən How to pronounce preignition (audio)
: ignition in an internal combustion engine while the inlet valve is open or before compression is completed

Examples of preignition in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The warm-up, preignition, and main combustion initiation sequence of the R-7 took 10 to 15 seconds to gather force before the rocket lifted off. Jim Oberg, Discover Magazine, 16 Apr. 2014

Word History

First Known Use

1898, in the meaning defined above

Time Traveler
The first known use of preignition was in 1898

Dictionary Entries Near preignition

Cite this Entry

“Preignition.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/preignition. Accessed 22 Dec. 2024.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!