Strata Meaning in Bengali

What is the meaning of word Strata in Bengali/Bangla ?

Defenition of word Strata

• a layer or a series of layers of rock in the ground.
• a level or class to which people are assigned according to their social status, education, or income.

Example

a stratum of flint

Other Meaning of Strata

• NOUN

  স্তর layer tier seam strata ledge bed