Biol. [f. Gr. ἄγαμο-ς unmarried + γένεσις generation, birth.] The production of offspring otherwise than by the union of parents of distinct sexes (as by the simple division of a pre-existent living being, or the formation of buds, which become at length independent living beings); asexual reproduction.
1864. H. Spencer, Illust. Progr., 370. Species which, multiplying by agamogenesis, can people a whole shore from a single germ.
1877. Huxley, Anat. Inv. Anim., Introd. 28. In many of the lower forms of life agamogenesis is the common and predominant mode of reproduction.