ducted fan see turbofan under turbo-

ductless glands plural noun (anatomy)

Masses of glandular tissue that lack ducts and discharge their products directly into the blood

duct tape noun

A strong adhesive water-resistant tape used esp for repairs to pipes

turbo- /tûr-bō-/

Signifying having, connected to or driven by a turbine

turˈbocar or turbo car noun

A car propelled by a turbocharged engine

turˈbocharge transitive verb

To fit with a turbocharger

turˈbocharged adjective

turˈbocharger noun

A turbine operated by the exhaust gases of an engine, thereby boosting its power

turˈbocharging noun

turbo-elecˈtric adjective

Using a form of electric drive in which turbine-driven generators supply electric power to motors coupled to propeller, axle shafts, etc

turˈbofan noun

1. A gas-turbine aero-engine in which part of the power developed is used to drive a fan which blows air out with the exhaust and so increases thrust (also turbofan engine or ducted fan)
2. An aircraft powered by this kind of engine

turbogenˈerator noun

A generator of electric power, driven by a steam turbine

turˈbojet noun

(an aeroplane powered by) an internal-combustion aero-engine in which the gas energy produced by a turbine-driven compressor is directed through a nozzle to produce thrust

turˈboprop noun

(an aeroplane powered by) a jet-engine in which the turbine is coupled to a propeller

turbo-ramˈ-jet noun

An engine consisting of a turbojet mounted within the duct of a ram jet

turbosuˈpercharger noun

An aero-engine supercharger operated by a turbine driven by the exhaust gases of the engine