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[in-fruh-struhk-cher] /ˈɪn frəˌstrʌk tʃər/
the basic, underlying framework or features of a system or organization.
the fundamental facilities and systems serving a country, city, or area, as transportation and communication systems, power plants, and schools.
the military installations of a country.
Origin of infrastructure
First recorded in 1925-30; infra + structure
Related forms
infrastructural, adjective
1. basis, foundation, support. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for infrastructure
Contemporary Examples
Historical Examples
  • To advance this concept, technology and its infrastructure and application are vital.

    Shock and Awe Harlan K. Ullman
  • Most communist countries inherited an infrastructure of laws and institutions from their historical predecessors.

    After the Rain Sam Vaknin
  • These are the telltale overt signs of a comprehensive collapse of the infrastructure and of the export and internal markets.

    After the Rain Sam Vaknin
  • To secure this remarkable achievement – the underworld had to procure and then maintain – infrastructure and technologies.

    After the Rain Sam Vaknin
  • A minimum of 10-13 billion dollars will be required simply to restore Serbia's infrastructure to its former, inglorious self.

    After the Rain Sam Vaknin
British Dictionary definitions for infrastructure


the basic structure of an organization, system, etc
the stock of fixed capital equipment in a country, including factories, roads, schools, etc, considered as a determinant of economic growth
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for infrastructure

1887, from French infrastructure (1875); see infra- + structure (n.). The installations that form the basis for any operation or system. Originally in a military sense.

Online Etymology Dictionary, © 2010 Douglas Harper
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