utility

中文： 效用、用处

1. The state or condition of being useful; usefulness. (countable, uncountable)
2. Something that is useful. (countable, uncountable)
3. The ability of a commodity to satisfy needs or wants; the satisfaction experienced by the consumer of that commodity. (countable, uncountable)
4. Well-being, satisfaction, pleasure, or happiness. (countable, uncountable)
5. A commodity or service provided on a continuous basis by a physical infrastructure network, such as electricity, water supply or sewerage. (countable, uncountable) · The complex includes the usual utilities (gas and electricity) and amenities like wifi and a gym (toilets with toiletries).
6. A natural or legal monopoly distributer of such a utility; or, the securities of such a provider. (countable, uncountable)
7. A software program other than a game; one that is useful or creative rather than merely entertaining. (countable, uncountable) · a graphics utility; a music utility
8. A software program designed to perform a single task or a small range of tasks, often to help manage and tune computer hardware, an operating system, or application software. (countable, uncountable) · Holonyms: app, application, program· I've bought a new disk utility that can recover deleted files.

复数 utilities