carburiser
/kɑrbʊˈraɪzər/Definitions
1. noun
a device that atomizes fuel, used to increase the power and efficiency of an internal combustion engine, typically by mixing the fuel with air
“The old carburiser needed to be replaced with a modern fuel injection system.”
2. verb
to increase the power of an engine by mixing fuel with air
“The mechanic carburised the engine to give it more speed.”