Definition of infrastructure
1
: the system of public works of a country, state, or region
also
: the resources (such as personnel, buildings, or equipment) required for an activity
2
: the underlying foundation or basic framework (as of a system or organization)
3
: the permanent installations required for military purposes
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Merriam-Webster unabridged
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Time Traveler for infrastructure
The first known use of infrastructure was in 1927
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