Meaning of “microcosm” - Learner’s Dictionary

microcosm

noun [ C ] uk us /ˈmaɪkrəʊˌkɒzəm/ formal

a place, group of people, or situation that has the same characteristics as a larger one:

The town is a microcosm of French culture.

(Definition of “microcosm” from the Cambridge Learner’s Dictionary © Cambridge University Press)