Strata

Pronunciation: /ˈstrætə/

Strata (noun)

  1. Layers of rock or soil formed over long periods, often seen in cliffs or underground.
  2. Groups of people in society that are separated by wealth, education, or status.
  3. Thin layers in something, such as paint, ice, or dust, arranged one above another.

Examples

  • The river exposed layers of rock in the strata.
  • Scientists studied the strata to understand the area's history.