A solid mineral material forming part of the surface of the earth and other similar planets.

A genre of popular music that developed in the 1950s.

रॉक संगीत

English Usage: She loves listening to rock music while driving.

Hindi Usage: उसे ड्राइव करते समय रॉक संगीत सुनना बहुत पसंद है।

A layer or a series of layers of rock in the ground.

A distinct layer within a system.

स्तर

English Usage: The social stratum of the city has become quite diverse.

Hindi Usage: शहर का सामाजिक स्तर काफी विविध हो गया है।