superstratum
/ˈsupərˌstreɪtəm/
noun
- A layer or level that sits above another, especially in a social or geological context.
- In many societies, the wealthy form a superstratum that controls most of the resources.
- Geologists found a superstratum of limestone above the ancient fossil bed.
- The superstratum of management often makes decisions without consulting lower-level employees.
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