Fanjet engine and Jet engine

Fanjet engine noun - A jet engine in which a fan driven by a turbine provides extra air to the burner and gives extra thrust.

Jet engine and fanjet engine are semantically related. In some cases you can use "Jet engine" instead a noun phrase "Fanjet engine".

Jet engine noun - A gas turbine produces a stream of hot gas that propels a jet plane by reaction propulsion.

Fanjet engine and jet engine are semantically related. Sometimes you can replace phrase "Fanjet engine" with "Jet engine", this phrases are similar.