utility به انگلیسی

From Longman Dictionary

u‧til‧i‧ty /juːˈtɪləti/ ●○○ AWL noun (plural utilities)
a service such as gas or electricity provided for people to use
a piece of computer software that has a particular use
the quality of being useful, or the degree to which something is useful

Example
It was paced by auto, chemical and utility stocks
Pareto is in no doubt that the two types of utility, for and of a community, do not necessarily coincide
However, other utilities may also bid for PowerGen
Demonstrations allow customers to get an immediate idea of a product’s utility
I have severe doubts about the utility of examinations on subjects which have been learned parrot-fashion