reaction engine is a noun meaning "a jet or rocket engine based on a form of aerodynamic propulsion in which the vehicle emits a high-speed stream". It carries one recorded sense.
a jet or rocket engine based on a form of aerodynamic propulsion in which the vehicle emits a high-speed stream
Definitions, synonyms and semantic relations for reaction engine come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.