▸nounthe whole of a complex structure, especially the world or the universe, contrasted with a small or representative part of it.Contrasted with microcosm:
the city represents the macrocosm of the individual.
– DERIVATIVES
macrocosmic/ˌmakrə(ʊ)ˈkɒzmɪk/adjective
macrocosmically/maˈkɒzmɪk(ə)li/adverb
– ORIGIN late 15th century: from Old Frenchmacrocosme or medieval Latinmacrocosmus (see macro1, cosmos1).