Propellant

[prə'pel(ə)nt] or [prə'pɛlənt]

解释:

(noun.) any substance that propels.

(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' .

校对:苏西--From WordNet