turbofan

[ tur-boh-fan ]

noun

1. a jet engine having a large impeller that takes in air, part of which is used in combustion of fuel, the remainder being mixed with the products of combustion to form a low-velocity exhaust jet.

turbofan

/ ˈtɜːbəʊˌfæn /

noun

1. Also calledhigh bypass ratio engine a type of by-pass engine in which a large fan driven by a turbine and housed in a short duct forces air rearwards around the exhaust gases in order to increase the propulsive thrust
2. an aircraft driven by one or more turbofans
3. the ducted fan in such an engine

turbofan

/ tûr′bō-făn′ /

1. A type of gas turbine in which the fan driving air into a turbojet also forces additional air around the outside of the turbine, combining it with the exhaust of the turbojet to provide thrust. Turbofans are quieter than simple turbojets and somewhat more fuel efficient, and are widely used in commercial aircraft.

Word History and Origins

Origin of turbofan¹

First recorded in 1940–45; turbo- + fan ¹

Example Sentences

He said that the company’s use of small electric turbofan powered jets made Lilium’s aircraft quieter and smaller than competing designs from rival companies or helicopters.

From Fortune

It will carry 200 passengers and have a range similar to the turbofan concept.

From Singularity Hub 

The third design uses a turboprop engine, has half the range of the turbofan concept, and can carry up to 100 passengers.

From Fortune