コロンブス交こう換かん

noun

Columbian exchange

Historical term referring to the widespread transfer of plants, animals, culture, human populations, technology, diseases, and ideas between the Americas, West Africa, and the Old World in the 15th and 16th centuries.

• コロンブス交こう換かんによって、トウモロコシやジャガイモがヨーロッパに伝つたわった。

  Through the Columbian exchange, corn and potatoes were introduced to Europe.