Tra từ utility - Từ điển WordNet v3.1

I - noun

1. a company that performs a public service;
subject to government regulation (Freq. 6)
• Syn:
public utility, public utility company, public-service corporation
• Hypernyms:
service
• Hyponyms:
telephone company, telephone service, phone company, phone service, telco,
power company, power service, electric company, light company, water company, waterworks,
gas company, gas service, bus company, bus service
2. the quality of being of practical use (Freq. 1)
• Syn:
usefulness
• Ant:
uselessness (for: usefulness), inutility
• Derivationally related forms:
useful (for: usefulness), utilitarian, utile, utilize, utilise
• Hypernyms:
quality
• Hyponyms:
detergency, detergence, function, purpose, role,
use, helpfulness, serviceability, serviceableness, usableness, useableness,
usability, instrumentality, practicality, practicability, practicableness
• Attrubites:
useful, utile, useless
3. the service (electric power or water or transportation) provided by a public utility (Freq. 1)
- the cost of utilities never decreases
- all the utilities were lost after the hurricane
• Hypernyms:
service
4. (economics) a measure that is to be maximized in any situation involving choice
• Topics:
economics, economic science, political economy
• Hypernyms:
system of measurement, metric
• Hyponyms:
marginal utility
5. (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
• Syn:
utility program, service program
• Topics:
computer science, computing
• Hypernyms:
program, programme, computer program, computer programme
• Hyponyms:
driver, device driver, diagnostic program, input program, output program,
sort program, sorting program, trace program
• Part Meronyms:
utility routine, service routine
6. 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
• Hypernyms:
facility, installation
• Hyponyms:
electrical system, electrical plant, heating system, heating plant, heating,
heat, plumbing, plumbing system

II - adjective

1. used of beef;
usable but inferior
• Syn:
utility-grade
• Similar to:
inferior
2. capable of substituting in any of several positions on a team
- a utility infielder
• Syn:
substitute
• Similar to:
secondary
• Derivationally related forms:
substitute (for: substitute)