[cos.mog.o.ny] n, pl -nies [NL cosmogonia, fr. Gk kosmogonia, fr. kosmos + gonos offspring; akin to Gk genos race--more at kin] (1766) 1: the creation or origin of the world or universe
2: a theory of the origin of the universe -- cos.mo.gon.ic or cos.mo.gon.i.cal adj -- cos.mog.o.nist n