[n] the service provided by a utility company; "the cost of utilities never decreases"
[n] a facility composed of one or more pieces of equipment connected to or part of a structure and designed to provide a service such as heat or electricity or water or sewage disposal; "the price of the house included all utilities"
[n] the quality of being of practical use
[n] (computer science) a program designed for general support of the processes of a computer; "a computer system provides utility programs to perform the tasks needed by most users"
[n] a company that performs a public service; subject to government regulation
[n] (economics) a measure that is to be maximized in any situation involving choice