задвижващ означава в английски

impulsive▼(having the power of driving or impelling; giving an impulse; moving; impellent)
adjective
[UK: ɪm.ˈpʌl.sɪv] [US: ˌɪm.ˈpəl.sɪv]

propellent▼(capable of propelling)
adjective
[UK: prə.ˈpe.lənt] [US: prə.ˈpe.lənt]