Wortformen:(regular plural) lean mixtures
nounRelated wordsCompare lean mixture with the following words:rich mixtureenrichment ( Automotive engineering : Fuels, oils, emissions, and other fluids )
A lean mixture can be caused by too little fuel or too much air.
Too much oxygen indicates a lean mixture and the need for less fuel.
An overly lean mixture will cause the engine to hesitate and probably backfire through the carburetor.
Collins English Dictionary. Copyright © HarperCollins Publishers