Originally Posted by PeteHski

I just ran this through a few dictionary checks and they all state meanings to this effect:-

Motor (noun): A device that changes electricity or fuel into movement.

I couldn’t find a single dictionary source which limits “motor” exclusively to electricity. The term “electric motor” exists as a category of motor.

“Engine” on the other hand only applies to liquid fuel or steam, which is why you never hear the term “electric engine”.

So I would say your pet peeve is misguided.