the great world or universe; the universe considered as a whole (opposed to microcosm).
the total or entire complex structure of something: the macrocosm of war.
a representation of a smaller unit or entity by a larger one, presumably of a similar structure.
Origin of macrocosm
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
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
any complex entity regarded as a complete system in itself
Word Origin for macrocosm
C16: via French and Latin from Greek makros kosmos great world
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Online Etymology Dictionary, © 2010 Douglas Harper
A representation of something on a much larger scale. (Compare microcosm.)
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.