mac·ro·cosm 
(măkrə-kŏz′əm)
(măkrə-kŏz′əm)n.
1. The entire world; the universe.
2. A system reflecting on a large scale one of its component systems or parts.
[Medieval Latin macrocosmus : Greek makro-, macro- + Greek kosmos, world.]
mac′ro·cosmic adj.
mac′ro·cosmic·al·ly adv.