water injection

water injection
A fuel system component which squirts a small amount of water, in the form of a fine spray, into the air/fuel mixture going into the engine. This is designed to reduce detonation or knocking in high performance engines, especially when using a high compression ratio.

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  • water injection — noun : introduction of water to an internal combustion engine to enhance combustion power for quick takeoff or bursts in speed …   Useful english dictionary

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