propulsion
noun
[ prəˈpʌlʃ(ə)n ]
• the action of driving or pushing forwards.
• "they dive and use their wings for propulsion under water"
Similar:
thrust,
motive force,
propelling force,
impelling force,
impetus,
impulse,
drive,
driving force,
actuation,
push,
surge,
pressure,
momentum,
power,
Origin:
early 17th century (in the sense ‘expulsion’): from medieval Latin propulsio(n-), from Latin propellere ‘drive before (oneself)’.