Fume Exhaust

Definitions of exhaust fumes. gases ejected from an engine as waste products. synonyms: exhaust, fumes. type of: waste, waste material, waste matter, waste product. any materials unused and rejected as worthless or unwanted.Exhaust gas or flue gas is emitted as a result of the combustion of fuels such as natural gas, gasoline, diesel fuel, fuel oil, biodiesel blends, or coal. According to the type of engine, it is discharged into the atmosphere through an exhaust pipe, flue gas stack, or propelling nozzle.