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Từ điển WordNet v3.1 - WordNet Dictionary
utility


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)

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