stratified charge engine
or stratified-charge engine
noun
an internal-combustion engine in which a small charge of a rich fuel mixture is ignited first and used to improve combustion of a larger charge of a lean fuel mixture.
Origin of stratified charge engine
1First recorded in 1960–65
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
Browse