supercity
/ˈsupərˌsɪti/
noun
- A very large city, especially one formed by the merging of several cities or metropolitan areas; a megacity.
- The rise of the supercity brings both economic opportunities and environmental challenges.
- Planners are designing a supercity that will connect several towns through high-speed rail.
- Tokyo is often described as a supercity because of its enormous population and size.
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