self-pro·pel·ling /-ˈpɛlɪŋ/
self-propelling
adj 1: containing within itself the means of propulsion or
movement; "a self-propelled vehicle" [syn: automotive,
self-propelled]
2: moved forward by its own force or momentum; "a
self-propelled egotist"; "the arms program is now
self-propelled" [syn: self-propelled]