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Pronunciation varies by accent · noun
(astronautics slang, science fiction) A non-Newtonian propulsion system (a drive that propels while violating the Newtonian law requiring an equal and opposite reaction to an action); a reactionless drive (a drive which does not use propellant)..
Use space drive when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Space drive means (astronautics slang, science fiction) A non-Newtonian propulsion system (a drive that propels while violating the Newtonian law requiring an equal and opposite reaction to an action); a reactionless drive (a drive which does not use propellant)..
Common synonyms include reactionless drive, non-Newtonian drive.
Possible antonyms include reaction drive, reaction engine, Newtonian drive.
Use space drive where its definition matches the intended context.
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