cos·mol·o·gy Pronunciation: käz-'mä-l&-jE
Etymology: New Latin cosmologia, from Greek kosmos + New Latin -logia -logy1
a : a branch of metaphysics that deals with the nature of the universe
b : a theory or doctrine describing the natural order of the universe
2 : a branch of astronomy that deals with the origin, structure, and space-time relationships of the universe; also : a theory dealing with these matters

*