All of the people born and living at about the same time, regarded collectively
The average period, generally considered to be about thirty years, during which children are born and grow up, become adults, and begin to have children of their own
A set of members of a family regarded as a single step or stage in descent
A single stage in the development of a type of product
The production of something
The propagation of living organisms; procreation
a body of living beings constituting a single step in the line of descent from an ancestor [n -S]