infrastructure
/ˈɪnfɹəˌstɹʌkt͡ʃɚ/ noun C1- An underlying base or foundation for a building, organization, or system. · Near-synonyms: understructure, underpinnings, underbuilding, underframework· The parasitic tyranny's infrastructure depends on secrecy in order to be effective.
- The facilities, services and installations needed for the functioning of a community or society. · Meronyms: (literally, large objects and portions thereof) structures, substructures, understructures, superstructures
Plural infrastructures
From the library
However, the legacy of the Snowy Mountains Scheme extends far beyond its impressive physical infrastructure and energy production.
Conceived as a labyrinthine network of high-speed arteries, this colossal infrastructure endeavor fundamentally altered the daily rhythm of American existence.
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