Generation

The act of generating or begetting; procreation, as of animals.

animals

Origination by some process, mathematical, chemical, or vital; production; formation; as, the generation of sounds, of gases, of curves, etc.

That which is generated or brought forth; progeny; offspring.

A period of around thirty years, the average amount of time before a child takes the place of its parents.

A single step or stage in the succession of natural descent; a rank or remove in genealogy, or collectively the body of people who are of the same genealogical rank or remove from an ancestor; the mass of beings living at one time.

Race; kind; family; breed; stock.

The formation or production of any geometrical magnitude, as a line, a surface, a solid, by the motion, in accordance with a mathematical law, of a point or a magnitude; as, the generation of a line or curve by the motion of a point, of a surface by a line, a sphere by a semicircle, etc.

The aggregate of the functions and phenomena which attend reproduction.