unducted fan

English

Noun

unducted fan (plural unducted fans)

1. (aviation) A modified turbofan jet engine with the fan disc outside the engine duct of an aircraft.

Synonyms

• open fan
• open rotor
• propfan
• UDF
• UHB

 

Hypernyms

• jet engine

 

Coordinate terms

• fanjet
• turbofan
• turbojet
• turboprop

 

Derived terms

• UDF