Propulsion
Pronunciation : Pro*pul"sion
Part of Speech : n.
Etymology : [Cf. F. propulsion. See Propel.]
Definition : 1. The act driving forward or away; the act or process of propelling; as, steam propulsion.
2. An impelling act or movement. God works in all things; all obey His first propulsion. Whittier.
Source : Webster's Unabridged Dictionary, 1913