| NOUN | artifact | reaction-propulsion engine, reaction engine | a jet or rocket engine based on a form of aerodynamic propulsion in which the vehicle emits a high-speed stream |
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| Meaning | A jet or rocket engine based on a form of aerodynamic propulsion in which the vehicle emits a high-speed stream. | |
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| Synonym | reaction engine | |
| Narrower | ion engine | A type of reaction-propulsion engine to propel rockets in space |
| jet engine | A gas turbine produces a stream of hot gas that propels a jet plane by reaction propulsion | |
| Broader | engine | motor that converts thermal energy to mechanical work |
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