motive power

any power used to impart motion; any source of mechanical energy.
Railroads. locomotives or other vehicles that supply tractive power.

1615–25 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To motive power
World English Dictionary
motive power
1.  any source of energy used to produce motion
2.  the means of supplying power to an engine, vehicle, etc
3.  any driving force

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
Example sentences
There was virtually no mention of motive power for aircraft and ships, or how
  that transition would be made.
They're all perfectly capable of transforming electrons into motive power.
His characters are no longer gods, the motive power in his plots no longer
The main motive power comes from two large batteries.
Image for motive power
Copyright © 2014, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature