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  1. Oxford Dictionary

    utility

    • IPA[juːˈtɪlɪti]

    英式

    • n.
      the state of being useful, profitable, or beneficial；(in game theory or economics) a measure of that which is sought to be maximized in any situation involving a choice.
    • adj.
      useful, especially through being able to perform several functions；denoting a player capable of playing in several different positions in a sport

    • noun: utility, plural noun: public utilities

    • 釋義
    • 相關詞

    名詞

    • 1. the state of being useful, profitable, or beneficial he had a poor opinion of the utility of book learning
    • ▪ (in game theory or economics) a measure of that which is sought to be maximized in any situation involving a choice.
    • 2. an organization supplying the community with electricity, gas, water, or sewerage.
    • ▪ US stocks and bonds in public utilities.
    • 3. a utility program a handy utility for converting one graphics file type to another
    • 4. Australian, New Zealand a utility vehicle.

    形容詞

    • 1. useful, especially through being able to perform several functions a utility truck
    • ▪ denoting a player capable of playing in several different positions in a sport a utility player
    • 2. functional rather than attractive utility clothing

    utility function

    • n.
      a mathematical function which ranks alternatives according to their utility to an individual.

    Oxford American Dictionary

    marginal utility

    • n.
      the benefit gained from consuming one additional unit of a product or service: the law of marginal utility states that the first x is worth more than the second x (be it dollars, hours of free time, video games, pieces of food, etc.)

    Oxford Dictionary

    utility program

    • n.
      a program for carrying out a routine function.

    Oxford Dictionary

    utility knife

    • n.
      a knife with a small sharp blade, often retractable, designed to cut wood, cardboard, and other ...

    Oxford American Dictionary

    expected utility

    • n.
      a predicted utility value for one of several options, calculated as the sum of the utility of ...

    Oxford American Dictionary

    utility knife

    • n.
      a knife with a small sharp blade, often retractable, designed to cut wood, cardboard, and other ...

    Oxford Dictionary

    multi-utility

    • n.
      a privatized utility which has extended or combined its business to offer its customers ...

    Oxford Dictionary

    utility pole

    • n.
      a tall pole used to carry telephone wires and other utility lines above the ground; a telephone ...

    Oxford American Dictionary

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    utility

    • IPA[yo͞oˈtilədē]

    美式

    • n.
      the state of being useful, profitable, or beneficial: he had a poor opinion of the utility of book learning
    • adj.
      useful, especially through being able to perform several functions: a utility truck

    Oxford American Dictionary