Nutritional Specialist -> Cook
Sanitation Technician -> Garbage Man
Virtual Machine -> Emulator
See how that works? Don't be fooled by fancy names.
The Merriam-Webster Online definition of 'emulator'. You will notice right away it does not state how one reaches that goal. If it looks like a duck, if it sounds like a duck... guess what? It's a duck.
Note that 'Virtual Machine' is not in the dictionary.