Microcosm vs. Macrocosm

Microcosm and Macrocosm Definitions
Microcosm
A small, representative system having analogies to a larger system in constitution, configuration, or development
"He sees the auto industry as a microcosm of the U.S. itself" (William J. Hampton).
Macrocosm
The entire world; the universe.
Microcosm
Human nature or the human body as representative of the wider universe; man considered as a miniature counterpart of divine or universal nature.
Macrocosm
A system reflecting on a large scale one of its component systems or parts.
Microcosm
(obsolete) The human body; a person.
Macrocosm
(philosophy) A complex structure, such as a society, considered as a single entity that contains numerous similar, smaller-scale structures.
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Microcosm
A smaller system which is seen as representative of a larger one.
Macrocosm
(used absolutely) The universe.
Microcosm
(ecology) A small natural ecosystem; an artificial ecosystem set up as an experimental model.
Macrocosm
The great world; that part of the universe which is exterior to man; - contrasted with microcosm, or man. See Microcosm.
Microcosm
A little world; a miniature universe. Hence (so called by Paracelsus), a man, as a supposed epitome of the exterior universe or great world. Opposed to macrocosm.
Macrocosm
Everything that exists anywhere;
They study the evolution of the universe
The biggest tree in existence
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Microcosm
A relatively small object or system considered as representative of a larger system of which it is part, exhibiting many features of the complete system.
Microcosm
A miniature model of something