"propulsive" in the adjective sense
1. propulsive
having the power to propel
"propulsive coefficient"
2. propellant, propellent, 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"
Source: WordNet® (An amazing lexical database of English)
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