Jet engine and Reaction engine

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

Reaction engine and jet engine are semantically related. in gas airplane engine topic. In some cases you can use "Reaction engine" instead a noun phrase "Jet engine".

Reaction engine noun - A jet or rocket engine based on a form of aerodynamic propulsion in which the vehicle emits a high-speed stream.

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