Definition of "emulator" []

• A person or thing that emulates. (noun)
• A piece of software or hardware that simulates other hardware. (noun)

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• ""The emulator is pretty close, but there are some things we just can't do with it," he says."
• "IBM is now five years away from a human brain emulator:"
• "By definition, an emulator is a program that runs software designed for a different machine altogether."