1. A jet engine in which a fan driven by a turbine provides extra air to the burner and gives extra thrust
   "The new aircraft was equipped with efficient turbofan engines";
   - fanjet, fan-jet, fanjet engine, turbofan engine
    
2. An aeroplane propelled by a fanjet engine
   "The military's new turbofan could reach supersonic speeds";
   - fanjet, fan-jet, turbojet

Derived forms: turbofans

Type of: jet, jet engine, jet plane, jet-propelled plane

Part of: propjet, turboprop, turbo-propeller plane

Encyclopedia: Turbofan