Definition of infrastructure noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˈɪnfrəstrʌktʃə(r)//
; NAmE NAmE//ˈɪnfrəstrʌktʃər//
[countable, uncountable]
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the basic systems and services that are necessary for a country or an organization to run smoothly, for example buildings, transport and water and power supplies Word Originearly 20th cent.: from French (see infra-, structure).
See the Oxford Advanced American Dictionary entry: infrastructure