autoignition

autoignition [aw-toh-ig-nish-uh n] WORD ORIGIN noun Automotive. the spontaneous ignition of fuel when introduced into the combustion chamber of an internal-combustion engine, as a result either of glowing carbon in the chamber or of the heat of compression. spontaneous combustion. Liberaldictionary.com

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Origin of autoignition auto-1 + ignition Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019