stratum
(noun)
noun
1. 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)
Definition categories: location, layer
2. people having the same social, economic, or educational status
Similar word(s): class
Definition categories: group, people
3. an abstract place usually conceived as having depth
- the mind functions on many strata simultaneously
Definition categories: thought, place
4. a subpopulation divided into a stratified sampling
Definition categories: thought, subpopulation