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tropical medicine

(Encyclopedia)tropical medicine, study, diagnosis, treatment, and prevention of certain diseases prevalent in the tropics. The warmth and humidity of the tropics and the often unsanitary conditions under which so m...

oryx

(Encyclopedia)oryx ôrˈĭks [key], name for several small, horselike antelopes, genus Oryx, found in deserts and arid scrublands of Africa and Arabia. They feed on grasses and scrub and can go without water for lo...

lungfish

(Encyclopedia)lungfish, common name for any of a group of fish belonging to the families Ceratodontidae, Lepidosirenidae, and Protopteridae, found in the rivers of Australia, South America, and Africa, respectively...

Atlas Mountains

(Encyclopedia)Atlas Mountains, system of ranges and plateaus in NW Africa, extending c.1,500 mi (2,410 km) from SW Morocco, through N Algeria, to N Tunisia; Jebel Toubkal (13,671 ft/4,167 m), in SW Morocco, is the ...

coca

(Encyclopedia)coca kōˈkə [key], common name for shrubs of the genus Erythroxylum, particularly E. coca, of the family Erythroxylaceae, and found abundantly in upland regions and on mountain slopes of South Ameri...

Gordon, Charles George

(Encyclopedia)Gordon, Charles George, 1833–85, British soldier and administrator. He served in the Crimean War, went to China in the expedition of 1860, taking part in the capture of Beijing, and in 1863 took ove...

de Klerk, F. W.

(Encyclopedia)de Klerk, F. W. (Frederik Willem de Klerk) frĕdˈərĭk vĭlˈəm də klûrkˈ ...

Group of Seven

(Encyclopedia)Group of Seven (G7), international organization officially established in 1985 to facilitate economic and commercial cooperation among the world's largest industrial nations, including efforts to aid ...

steppe

(Encyclopedia)steppe stĕp [key], temperate grassland of Eurasia, consisting of level, generally treeless plains. It extends over the lower regions of the Danube and in a broad belt over S and SE European and Centr...

Lothian, Philip Henry Kerr, 11th marquess of

(Encyclopedia)Lothian, Philip Henry Kerr, 11th marquess of kär, lōˈᵺēən [key], 1882–1940, British statesman. He served (1905–10) on various government commissions in South Africa and was a member of Miln...