infrastructure

IN-fruh-struk-cher /ˈɪnfrəˌstrʌktʃər/
nounB2IELTSTOEFLGMAT
FormalTechnical

The basic physical and organizational structures and facilities (e.g., buildings, roads, power supplies) needed for the operation of a society or enterprise.

Refers to the 'hidden' systems that allow a city to function, often taken for granted until they fail.

The story behind the word. The word was originally a French military term ('infrastructure') used to describe the preparation of a site for a railway or road before the actual tracks or pavement were laid.

Word relationships

  • framework: A supporting structure; infrastructure is more specific to public services.
  • foundation: The lowest load-bearing part of a building; infrastructure is the foundation of a whole city.

Commonly confused with

  • superstructure: The parts of a building or system that are above the foundation or 'infra' level.

Word family

  • infrastructural (adjective): Relating to infrastructure.

Collocations

  • critical infrastructure
  • transport infrastructure
  • aging infrastructure

Example sentences

  • "The government promised to invest billions in the nation's crumbling infrastructure." Discussing government spending.
  • "Without adequate infrastructure, the city cannot support its growing population." A technical observation on urban growth.

Memory hook

Infra (below) + Structure. It's the structure below the surface of daily life. The city's skeleton.

When not to use

Don't use it to refer to a single building; use it for the system of buildings or services.

Fun facts

  • The term didn't enter common English usage until the 1950s, largely popularized by the military and economists.

Related words

municipality, congestion

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