单词 | utility |
释义 | Word Frequency utility(juːˈtɪlɪtɪ) nounWord forms: plural -ties 1. a. the quality of practical use; usefulness; serviceability b. (as modifier) a utility fabric 2. something useful 3. a. a public service, such as the bus system; public utility b. (as modifier) utility vehicle 4. economics a. the ability of a commodity to satisfy human wants b. the amount of such satisfaction disutility 5. statistics a. a measure of the total benefit or disadvantage attaching to each of a set of alternative courses of action b. (as modifier) utility function See also expected utility, decision theory 6. Also called: utility truck or (informal) ute Australian and New Zealand a small truck with an open body and low sides, often with a removable tarpaulin cover; pick-up 7. a piece of computer software designed for a routine task, such as examining or copying files Word origin C14: from Old French utelite, from Latin ūtilitās usefulness, from ūtī to use |
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