stratified stratified /ˈstrætəˌfaɪd/

adjective

1. () Arranged in a sequence of grades or ranks  ( graded , ranked , stratified )
   arranged in a sequence of grades or ranks
    Stratified areas of the distribution
   stratified areas of the distribution
   
2. (geology) deposited or arranged in horizontal layers  ( bedded , stratified )
   (geology) deposited or arranged in horizontal layers
    Stratified rock
   stratified rock
   
3. (used of society) socially hierarchical  ( class-conscious , stratified )
   (used of society) socially hierarchical
    American society is becoming increasingly stratified
   American society is becoming increasingly stratified
   

 stratify stratify /ˈstrætəˌfaɪ/

verb

1. () (geology) form layers or strata  ( stratify )
   (geology) form layers or strata
    The rock stratifies
   The rock stratifies
   
2. () Divide society into social classes or castes  ( stratify )
   divide society into social classes or castes
    Income distribution often stratifies a society
   Income distribution often stratifies a society
   
3. Render fertile and preserve by placing between layers of earth or sand  ( stratify )
   render fertile and preserve by placing between layers of earth or sand
    Stratify seeds
   stratify seeds
   
4. Form, arrange, or deposit in layers  ( stratify )
   form, arrange, or deposit in layers
    The fish are stratified in barrels
   The fish are stratified in barrels
    The rock was stratified by the force of the water
   The rock was stratified by the force of the water
    A statistician stratifies the list of names according to the addresses
   A statistician stratifies the list of names according to the addresses
   
5. Develop different social levels, classes, or castes  ( stratify )
   develop different social levels, classes, or castes
    Society stratifies when the income gap widens
   Society stratifies when the income gap widens