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).
South Africa has several climate zones. The northern part, western part and large parts of central South Africa have relatively warm climate zones. The north western part has a warm desert climate. The northern part has a warm steppe climate.