The discipline dealing with the art or science of applying scientific knowledge to practical problems(noun)
WordNet. Princeton University. 2010.
Use "engineering science" in a sentence
"“engineering science” For a rich historical treatment of the role of engineering science in American aeronautics, see Walter G. Vincenti, What EngineersKnow and How They Know It."
"For a specific analysis of the development of engineering science within college aeronautical engineering programs, see Amy Elizabeth Foster, “Aeronautical Science 101: The Development of Engineering Science in Aeronautical Engineering Education at the University of Minnesota,” MA Thesis, University of Minnesota, Oct. 1980."