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Definition of: macrocosm
(mak′rə·koz′əm) noun
1. The great world; the universe: opposed to microcosm.
2. The whole of any sphere or department of nature or knowledge to which man is related. [<OF macrocosme <Med. L macrocosmus <Gk. makros long, great + kosmos world]
—mac′ro·cos′mic adjective
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