ecumenopolis

noun

ecu·​me·​nop·​o·​lis

ˌekyəmə̇ˈnäpələs,

eˌkyüm-

plural -es

: a single city encompassing the whole world that is held to be a possibility of the future

Word History

Etymology

New Greek oikoumenopolis, from Greek oikoumenē world + -o- + -polis

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