definition of tundra
Tundra. In physical geography, tundra is a biome where the tree growth is hindered by low temperatures and short growing seasons. The term tundra comes through Russian ÑÑÐ½Ð´ÑÐ° from the Kildin Sami word tÅ«ndar tÅ«ndÃ¢r, uplands treeless mountain. tract