propellant

propellant
noun
  1. 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
  1. another term for propellent
    同 propellent
语源
  1. mid 17th cent.: originally from Latin propellent- 'driving ahead (of oneself'), from the verb propellere, later from propel
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