an abstract place usually conceived as having depth | education imparted in a series of lessons or meetings |
a subpopulation divided into a stratified sampling | elegance in dress or behavior |
people having the same social, economic, or educational status | a collection of things sharing a common attribute |
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) | people having the same social, economic, or educational status |
| (biology) a taxonomic group containing one or more orders |
| a body of students who are taught together |
| a body of students who graduate together |
| a league ranked by quality |