self-propulsion

[ self-pruh-puhl-shuh n, self- ]
/ ˈsɛlf prəˈpʌl ʃən, ˌsɛlf- /

noun

propulsion by a vehicle's own engine, motor, or the like.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Examples from the Web for self-propulsion

  • This scheme of self-propulsion saved the hire of a locomotive.

    Concrete Construction|Halbert P. Gillette
  • The early ships had no mode of self-propulsion, but the modern ones are being provided with their own power.

    Artificial Light|M. Luckiesh
  • How do the great minds generate this glorious means of self-propulsion?

    Laugh and Live|Douglas Fairbanks