/ Dictionary / Index M microcosm: Meaning and Definition of Find definitions for: mi•cro•cosm Pronunciation: (mī'kru-koz"um), [key] — n. a little world; a world in miniature (opposed to macrocosm). anything that is regarded as a world in miniature. human beings, humanity, society, or the like, viewed as an epitome or miniature of the world or universe. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: microcosm (Thesaurus) microcopy microcosmic salt Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language