A macrocosm is a complex organized system such as the universe or a society, considered as a single unit.
[formal]
The macrocosm of the universe is mirrored in the microcosm of the mind. [+ of]
macrocosm in British English
(ˈmækrəˌkɒzəm)
noun
1.
a complex structure, such as the universe or society, regarded as an entirety, as opposed to microcosms, which have a similar structure and are contained within it
2.
any complex entity regarded as a complete system in itself
Compare microcosm
Derived forms
macrocosmic (ˌmacroˈcosmic)
adjective
macrocosmically (ˌmacroˈcosmically)
adverb
Word origin
C16: via French and Latin from Greek makros kosmos great world