infrastructure

IN-fruh-struk-cher /ˈɪnfrəˌstrʌktʃər/
nounB2IELTSTOEFLGMAT
politicalurban planning

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

Refers to the systems that are often invisible but essential, like pipes and cables.

The story behind the word. Literally 'the structure below.' It was first used in French in the late 19th century to describe the base of a railway track.

Word relationships

  • framework: Framework is more abstract; infrastructure is usually physical.

Commonly confused with

  • superstructure: Superstructure is the part of a building above the foundation; infrastructure is the underlying system.

Word family

  • infrastructural (adjective): Relating to infrastructure.

Collocations

  • critical infrastructure
  • aging infrastructure
  • infrastructure project

Example sentences

  • "Investing in water infrastructure is vital for the long-term health of our cities." Political speech
  • "The aging infrastructure of the dam led to concerns about a potential collapse." News report

Memory hook

Infra (below) + Structure. It's the structure 'below' the surface of daily life that makes everything work. The hidden systems.

When not to use

Don't use for a single building; use for the network of systems.

Fun facts

  • The term 'infrastructure' only became common in English in the 1950s, popularized by the military.
  • Rome's ancient aqueducts are some of the most famous examples of early water infrastructure.

Related words

allocation, subsidize

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