Noun has 1 sense

• propellent(n = noun.substance) propellant - any substance that propels;


Derived form verb propel₁, adjective propellent₁

Adjective has 1 sense

• propellent(s = adj.all) propellant, propelling, propulsive - 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"

Derived form verb propel₁, noun propellent₁