From Longman Dictionary of Contemporary Englishpropulsionpro‧pul‧sion /prəˈpʌlʃən/ noun [uncountable] technical TEMTTthe force that drives a vehicle forward → propelrocket/wind/nuclear/jet propulsion research into liquid hydrogen as a means of propulsion —propulsive /-sɪv/ adjective
Examples from the Corpus
propulsion• But power for activities in the belt and for propulsion of spacecraft is harder to find.• jet propulsion• Their swim fins are extra long to provide maximum propulsion and minimum strain.• The pods themselves were quite complex, but essentially they were multi-skinned torpedoes equipped with minimal propulsion and life-support systems.• This kind of propulsion system is called a solar thermal rocket.• First and most radical, a new means of propulsion other than the internal combustion engine might be considered.• Their fins and tail are freed for guidance and rapid propulsion.• As with the service propulsion system, the propellants were force-fed to the engine by pressurized helium from a storage tank.• The most significant of these may be the use of helium-3 in spacecraft propulsion, in a fusion rocket.means of propulsion• The eclipse of electricity as a means of propulsion has been one of the more curious facets of the evolution of transport.• The virus has no independent means of propulsion and can not control its own motion.• First and most radical, a new means of propulsion other than the internal combustion engine might be considered.Origin propulsion (1600-1700) Latin propulsus, past participle of propellere; → PROPEL 