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Definition of "infrastructure" []

  • An underlying base or foundation especially for an organization or system. (noun)
  • The basic facilities, services, and installations needed for the functioning of a community or society, such as transportation and communications systems, water and power lines, and public institutions including schools, post offices, and prisons. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "infrastructure" in a sentence
  • "Six billion dollars in infrastructure is not development."
  • "This lack of interest in infrastructure is a national phenomenon."
  • "Mexican federal aviation officials have indicated a substantial investment in infrastructure is needed for the airline to comply and be viable."