Is generation a abstract noun

Answer 1

The noun 'generation' is an abstract noun as a word for:

• the average interval between the birth of parents and the birth of their offspring;
• a form or stage in the life cycle of an organism;
• a stage or period of sequential technological development and innovation;
• the production of something.

A word for a concept.

The noun 'generation' is a concrete noun as a word for:

• the members of a family regarded as a single step or stage in descent;
• the people born and living about the same time, considered as a group;
• the objects derived from a preceding class or design.

A word for physical people or things.