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propfan

[prop-fan]

noun

Aeronautics. a turbojet having a turbine-driven propeller that operates completely outside the jet engine.

Compare turbofan, turboprop.

Origin of propfan

First recorded in 1965–70; prop³ + fan¹

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019