Gĕn'-e-sĭs, n.

n. [Lat. genesis, Gr. γένεσις, from γενεῖν, γείνειν, γίνεσθαι, γίγνεσθαι, to beget, be born.]

1. The act of producing, or giving birth or origin to any thing; the process of originating or being; production; formation; origination. “The origin and genesis of poor Sterling’s club.” Carlyle.
2. A theory, explanation, or account of the origin of any thing. “Under his . . . genesis of its powers.” De Quincey.
3. The first book of the Old Testament; — so called by the Greek translators, from its containing the history of the creation of the world and the human race.
4. (Geom.) The same as GENERATION.