അർത്ഥം : One of several parallel layers of material arranged one on top of another (such as a layer of tissue or cells in an organism or a layer of sedimentary rock).
അർത്ഥം : People having the same social, economic, or educational status.
							ഉദാഹരണം : 
							The working class.
							An emerging professional class.
							
പര്യായപദങ്ങൾ : class, social class, socio-economic class
അർത്ഥം : A subpopulation divided into a stratified sampling.