Top Definition
A miniature copy of something, especially one which represents a larger whole.
Yo' dick is a microcosm of a peanut.
by D-Vo January 19, 2006
A small, representative system having analogies to a larger system in constitution, configuration, or development
A boarding school is a microcosm in comparison to the real world. Although it may have the same characteristics, it is just a smaller version of it and not the real thing. See macrocosm and wobblotocrosm
by Alisha July 08, 2004
A solar system that fits in your eye.
"Staring straight up into the sky, oh my my! A solar system that fits in your eye... Microcosm."
by Pink Sheets November 25, 2005
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