noun, Pathology. 1. the accumulation of excessive ketones in the body, as in diabetic acidosis. Origin of ketosis. 1915-1920.
Climate zones of Africa, showing the ecological break between the hot desert climate of the Sahara Desert (red), the hot semi-arid climate of the Sahel (orange) and the tropical climate of Central and Western Africa (blue).
The Sahara (the world's largest and hottest desert, with temperatures reaching 57.6Â°C (136Â°F) and the Atacama (the world's driest desert) on the coast of Chile and the Kalahari in Africa were formed in this way.The Gobi Desert is a cold winter desert and daytime temperatures can drop to -30Â°C (22Â°F).he Sahara (the world's largest and hottest desert, with temperatures reaching 57.6Â°C (136Â°F) and the Atacama (the world's driest desert) on the coast of Chile and the Kalahari in Africa were formed in this way.