பொருள் : 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).
பொருள் : People having the same social, economic, or educational status.
எடுத்துக்காட்டு :
The working class.
An emerging professional class.
ஒத்த சொற்கள் : class, social class, socio-economic class
பொருள் : A subpopulation divided into a stratified sampling.