1. small worlds or communities that represent larger ones in miniature
Usage: plural of microcosm

Examples

• The small town served as one of many microcosms of American society.
• These classrooms are microcosms of the diverse communities they serve.
• The research team studied several microcosms to understand ecosystem dynamics.
• Urban neighborhoods often function as microcosms of larger cultural patterns.
• The laboratory created artificial microcosms to test environmental changes.
• These online communities have become microcosms of real-world social interactions.