n.
- an inert fluid, liquefied under pressure, in which the active contents of an aerosol are dispersed.
- an explosive that fires bullets from a firearm.
- a substance used as a reagent in a rocket engine to provide thrust.
adj.
capable of propelling something.
Etymology
C17: orig. from L. propellent-, propellere ‘drive ahead (of oneself)’, later from propel.
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