propulsion
noun
- act of propelling
- means of creating force leading to movement
Wiktionary
Pronunciation: /pɹəˈpʌlʃən/
noun
Etymology: Borrowed from Medieval Latin propulsio, propulsionis, from the past participle of Latin propello (“to drive forward, drive forth, drive away, drive out”).
- The process of propelling, driving, or pushing, typically forward or onward; a propulsive force or impulse.
- That which propels.
“However, nuclear propulsion provides a very high specific impulse and consistent, long duration energy source.”
“This propulsion provides an initial velocity for the vehicle in a short time span.”