Hawking, Stephen Syllabification: (Hawk·ing, Stephen)Pronunciation: /ˈhôkiNG/Definition of Hawking, Stephen (1942-), English theoretical physicist; full name Stephen William Hawking. His main work has been with space-time, quantum mechanics, and black holes. His book A Brief History of Time (1988) was a bestseller. Hawking, Stephen in other Oxford dictionaries Definition of Hawking, Stephen in the British & World English dictionary