infrastructure

[in-fruh-struhk-cher]
noun
1.
the basic, underlying framework or features of a system or organization.
2.
the fundamental facilities and systems serving a country, city, or area, as transportation and communication systems, power plants, and schools.
3.
the military installations of a country.

Origin:
1925–30; infra + structure

infrastructural, adjective


1. basis, foundation, support.
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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Collins
World English Dictionary
infrastructure (ˈɪnfrəˌstrʌktʃə)
 
n
1.  the basic structure of an organization, system, etc
2.  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 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History

infrastructure
1927, from Fr. (1875), from infra- (q.v.) + structure. 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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FOLDOC
Computing Dictionary

infrastructure definition

systems
Basic support services for computing, particularly national networks.
See also information superhighway.
(1995-06-27)

The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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Example sentences
Tonga has a reasonably sound basic infrastructure and well-developed social
  services.
Inevitably, a thriving economy brought demands for an expanded infrastructure.
The tripod infrastructure is why there are so many grottoes and light caves.
The key was to take advantage of existing oil-industry infrastructure.
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