pro·pul·sion 
/prəˈpʌlʃən/ noun
/prəˈpʌlʃən/ noun [noncount] technical : the force that moves something forward : the force that propels something
▪ rocket/electric propulsion ▪ Sailboats use wind as their source/means of propulsion. ▪ a propulsion system — see also jet propulsion
▪ rocket/electric propulsion ▪ Sailboats use wind as their source/means of propulsion. ▪ a propulsion system — see also jet propulsion
— pro·pul·sive /prəˈpʌlsɪv/ adjective
▪ propulsive forces
/prəˈpʌlsɪv/ adjective ▪ propulsive forces
