1
- a thing or substance that causes something to move or be driven forwards or outwards, in particular推进物, 尤指：
1.1
- an inert fluid, liquefied under pressure, in which the active contents of an aerosol are dispersed气雾喷射剂。
1.2
- an explosive that fires bullets from a firearm子弹发射火药。
1.3
- a substance used as a reagent in a rocket engine to provide thrust火箭燃料。
- another term for PROPELLENT.
词源
mid 17th cent.: originally from Latin propellent- 'driving ahead (of oneself)'，from the verb propellere,later from PROPEL.