stratified charge engine
noun
: an internal-combustion engine in whose cylinders the combustion of fuel in a layer of rich fuel-air mixture promotes ignition in a greater volume of lean mixture
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“Stratified charge engine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/stratified%20charge%20engine. Accessed 27 Nov. 2025.
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