noun
the whole of a complex structure, especially the world or universe, contrasted with a small or representative part of it
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The study of the macrocosm includes the examination of galaxies and other celestial bodies.
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In the grand scheme of the universe, Earth is just a tiny part of the macrocosm.
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Dude, the macrocosm is like, the whole shebang of everything out there.
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The macrocosm of human emotions is complex and vast, with layers of depth waiting to be explored.