infrastructure

The infrastructure is the basic foundation or underlying framework of an organization or system. In your house, the infrastructure is the system of beams, weight-bearing walls and the foundation that keeps it standing.

Infrastructure often refers to the equipment and structures required by the military or by a country or region. Roads, bridges, and school buildings are part of our nation's infrastructure, and are necessary for the continued growth of our communities. This word was formed as a compound in English, using the prefix infra- "below, underneath."

Definitions of infrastructure
  1. noun
    the basic structure or features of a system or organization
    synonyms: substructure
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    type of:
    structure
    the manner of construction of something and the arrangement of its parts
  2. noun
    the stock of basic facilities and capital equipment needed for the functioning of a country or area
    synonyms: base
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    type of:
    fund, stock, store
    a supply of something available for future use
Word Family