1. 
   turbofan
   (from the article `jet engine`) In other types of engines, such as the turbofan, thrust is generated by both approaches: A major part of the thrust is derived from the fan, which is ... During the 1960s the turbofan, or fanjet, a modification of the turbojet, came into common use. Some of the incomi...
   Found op http://www.britannica.com/eb/a-z/t/93
   
   
2. 
   turbofan
   turbofan, fan jet 1. A jet engine in which fans driven by a turbine force air into the exhaust gases, thereby increasing the propelling thrust of the engine. 2. A jet aircraft that has turbofan engines. A type of gas turbine in which the fan driving air into a turbojet also forces additional air a...
   Found op http://www.wordinfo.info/words/index/info/view_unit/1109/7
   
   
3. 
   Turbofan
   The turbofan or fanjet is a type of airbreathing jet engine that is widely used for aircraft propulsion. The word "turbofan" is a portmanteau of "turbine" and "fan", the turbo portion refers to a gas turbine engine which provides mechanical energy from combustion, and the fan, a ducted fan which us...
   Found op http://en.wikipedia.org/wiki/Turbofan
   
   
4. 
   turbofan
   Jet engine of the type used by most airliners, so called because of its huge front fan. The fan sends air not only into the engine for combustion but also around the engine for additional thrust. This results in a faster and more fuel-efficient propulsive jet (see jet propulsion)
   Found op http://www.talktalk.co.uk/reference/encyclopaedia/hutchinson/m0006287.html
   
   
5. 
   turbofan
   1) Jet engine 2) Turbofan engine 3) Turbojet 4) Turbojet engine
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/turbofan/1
   
   

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