metropolis

C2 · Proficiency Countable noun History Academic · Formal

n. the main city that started a colony in another land.

n. The parent city or state of a colony in Ancient Greek history.

“Corinth served as the metropolis for several colonies across the Mediterranean.”

“Historians examined the economic ties between the ancient metropolis and its far-flung colonial outposts.”

C2 · Proficiency Countable noun Science Technical

n. a place where a specific type of plant or animal is most common.

n. A primary center of distribution or concentration for a particular species of plant or animal.

“This valley is the metropolis of the rare blue orchid.”

“The researchers identified the tropical archipelago as the biological metropolis for several unique avian species.”

C2 · Proficiency Countable noun Religion Formal · Technical

n. the main city or area where a high-ranking bishop has authority.

n. The see or central city of a metropolitan bishop within a church hierarchy.

“The archbishop traveled to the metropolis to lead the annual ceremony.”

“Ecclesiastical records indicate that the metropolis held jurisdiction over several smaller neighboring dioceses.”