generation (jen-er-a's hun). 1

Reproduction; the act or function of begetting or forming a new organism. 2. The a emblage of individuals constituting the entire immediate progeny of given parents. alternate g., alternation of g's. Syn.: digenesis. An alternation of agamogenesis with gamogenesis; in the same type, one or several sexle g's intervening between the sexual g's. asexual g. See agamogenesis. endogenous g. In botany, reproduction by the multiplication of the nucleus in the formation of pollen in the embryo sac, etc. non-sexual g. See agamogenesis. oviparous g. A mode of g. in which the new animal is hatched from an egg. ovoviviparous g. G. in which the young of an animal are hatched from the egg before it has left the body of the mother. See oviparous g. sexual g. See gamogenesis. spontaneous g. Syn.: abiogenesis, arc he bios is. The formation of a living organism from inanimate matter, such organism having no parent. The theory has been held, but has never been proved to be true, univocal g. The production of an organism by parents of the g. next preceding, viviparous g. The ordinary mode of g. among the higher animals, in which the young are brought forth free gel of and alive. [Lat., gene ratio, from gene rare, to beget]