utility
noun
uk/juːˈtɪləti/ usplural utilities [ C ]
a service for supplying electricity, gas, etc.:
utility bill/company/costs Please enclose a copy of a recent utility bill as proof of address.
the rising cost of utilities
[ C ]
a large company that provides a service such as electricity, gas, etc.:
We are a natural gas utility serving over a million customers in the Michigan area.
With energy consumption rising, many public utilities are struggling to meet peak-time demand.
[ C ] IT
a computer program that is used to do a particular task:
The program includes a set of utilities and file recovery tools for advanced users.
[ U ]
how useful something is:
The product became popular thanks to its high utility in many different situations.