Amur noun2 •The world's ninth-longest river, forming part of the border between the Far East of Russia and Manchuria in Northeastern China, emptying into the Pacific Ocean through the Strait of Tartary, where the mouth of the river faces the northern end of the island of Sakhalin.Bordered by small farming towns without large dams, the Amur—the least obstructed of these 10 rivers—is an example of the effects of minimal human influence. — 2021 •An oblast in far eastern Russia; its administrative centre is Blagoveshchensk.The unmanned probe was launched on a Soyuz-2.1b carrier rocket at 23:10 GMT from the Vostochny Cosmodrome in Russia’s far eastern Amur Region. It is expected to reach lunar orbit in 4-5 days. — 2023
