a thing or substance that causes something to move or be driven forwards or outwards, in particular 推进物,尤指 ■an inert fluid, liquefied under pressure, in which the active contents of an aerosol are dispersed 气雾喷射剂 ■an explosive that fires bullets from a firearm 子弹发射火药 ■a substance used as a reagent in a rocket engine to provide thrust 火箭燃料
adjective
another term for propellent 同 propellent
语源
mid 17th cent.: originally from Latin propellent- 'driving ahead (of oneself'), from the verb propellere, later from propel