define eurasia
Define Eurasia Define Eurasia . Eurasia. Eurasia is of major geographic and geologic significance. It is also important to the history of human civilization. Answer and Explanation: Eurasia is a landmass that consists of the continents of Asia and Europe. It measures over 21 million square miles. Some geographers and geologists consider the division of Europe into its own continent to be due to historic and cultural factors rather than scientific ones. Russia is the largest country in Eurasia.