Wiktionary
deep-fat fryer
n. A heated vessel for frying food by immersing in hot fat or oil, as opposed to shallow frying in a frying pan.
Usage examples of "deep-fat fryer".
Albert, who had worked at McDonald's the summer before, was reminded of the sound of french fries in a deep-fat fryer, and to Bob Jenkins it was the sound of paper being crumpled in a distant room.
In fact, John thought, you could have just about anything you wanted, as long as it wasn't too big to fit in a deep-fat fryer.