autoignition

noun

au·to·ignition

plural -s

Definition of autoignition

1 : self-ignition in an internal-combustion engine cylinder either as a result of the heat of the compression alone or from this in combination with glowing carbon — compare preignition

2 : spontaneous combustion

Other Words from autoignition

autoignite intransitive verb autoignited; autoigniting; autoignites

Apparently these additives sufficiently lower the ignition temperature of the particulates that are collected on the trap for the particulates to autoignite. — W. D. Route et al., Oil & Gas Journal, 25 Jan. 1982

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The first known use of autoignition was in 1901

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