■ noun
1》 all of the people born and living at about the same time, regarded collectively.
↘the average period in which children grow up and have children of their own (usually reckoned as about thirty years).
2》 a set of members of a family regarded as a single step or stage in descent.
↘a group of people of similar age involved in a particular activity: a new ~ of actors and directors.
3》 the action of producing or generating.
↘the propagation of living organisms; procreation.
4》 a single stage in the development of a product.
Derivatives
~al adjective