pro·pel·lant /-ˈpɛlənt/
使推進之物,發射火藥,推進燃料
propellant
adj : tending to or capable of propelling; "propellant fuel for
submarines"; "the faster a jet plane goes the greater
its propulsive efficiency"; "universities...the seats
of propulsive thought" [syn: propellent, propelling,
propulsive]
n : something that propels [syn: propellent]