stratified

/ˈstrætəˌfaɪd/
adjective
  1. Arranged in layers or strata.
    • The soil was stratified, with clay on top and sand underneath.
    • A stratified cake has distinct layers of sponge and cream.
    • The stratified rock formation contained fossils from different eras.
  2. Divided into social or economic levels.
    • Many cities are stratified by income, with rich and poor neighborhoods far apart.
    • A stratified society often has limited mobility between classes.
    • The company's stratified pay structure meant managers earned much more than workers.
Antonyms