propulsion
Noun
Meaning
The act driving forward or away; the act or process of propelling; as, steam propulsion.
An impelling act or movement.
Source: Webster's dictionarySynonyms
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Examples
Inflation is a prequel to the conventional Big Bang theory. ...It does provide a theory of the propulsion that drove the universe into this humungous episode of expansion which we call the Big Bang.
The railroad originally was as completely dissociated from steam propulsion as was the ship.
Chemical propulsion is obsolete to go anywhere other than the moon. Three days - that's acceptable. But for Mars, we need propulsion technologies to get us there in, say, 60 days - then spend whatever length of time we want to spend and return when we want to come home.
Absorption of forces continues as the body moves from footstrike to midstance due to vertical propulsion from the toe-off during a previous gait cycle.
Ad Astra further argued, "In the near term, using solar-electric power at levels of 100 kW to 1 MW, VASIMR® propulsion could transfer heavy payloads to Mars using only one to four first-generation thrusters in relatively simple engine architectures."
A certain amount of windage allows the ball to fit down the bore, though the greater the windage the less efficient the propulsion of the ball when the gunpowder is ignited.