propellant
1. [ adjective ] tending to or capable of propelling
Synonyms: propelling propulsive propellent
Examples:

"propellant fuel for submarines" "the faster a jet plane goes the greater its propulsive efficiency" "universities...the seats of propulsive thought"

Related terms: dynamic
2. [ noun ] something that propels
Synonyms: propellent
Related terms: substance compressed_gas propel
3. [ noun ] an explosive charge that propels a rocket
Synonyms: rocket_fuel rocket_propellant rocket_propellent propellent
Related terms: fuel charge hydrazine
Similar spelling:   propellent
  propellor
  propeller
  propelling
  prophyll
  prophylactic