[noun] - a small place, society or situation which has the same characteristics as something much largerThe audience was selected to create a microcosm of American society. [C]The worldwide problems we are facing are illustrated in microcosm by the situation in our own country. [U]Compare macrocosm.
MICROCOSM
Meaning of MICROCOSM in English
Cambridge English vocab. Кембриджский английский словарь. 2012