"reaction-propulsion engine"^^ . . . . "0"^^ . "04057435-n"^^ . . . "reaction-propulsion engine"@en-us . "104057435"^^ . "0"^^ . "103215456"@en-us . "reaction engine"@en-us . . "103904712"@en-us . . . . . "a jet or rocket engine based on a form of aerodynamic propulsion in which the vehicle emits a high-speed stream"@en-us .