[1BADLS3]

Originally Posted by Flashpoint135

http://www.merriam-webster.com/dictionary/motor

"
Definition of MOTOR

1
: one that imparts motion; specifically : prime mover

2
: any of various power units that develop energy or impart motion: as
a : a small compact engine
b : internal combustion engine; especially : a gasoline engine
c : a rotating machine that transforms electrical energy into mechanical energy


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That's it. I'm going to start asking "what is the displacement of your prime mover?"