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Orange River

(Encyclopedia)Orange River, chief river of S Africa, c.1,300 mi (2,090 km) long, rising in the Maluti Mts., N Lesotho. It flows SW through Lesotho, then meanders northwest and west through central South Africa, for...

South Africa

(Encyclopedia)CE5 South Africa, Afrikaans Suid-Afrika, officially Republic of South Africa, republic (2015 est. pop. 55,291,000), 471,359 sq mi (1,220,813 sq km), S Africa. It borders on the Atlantic Ocean in th...

Boyoma Falls

(Encyclopedia)Boyoma Falls bōyōˈmə [key], formerly Stanley Falls, seven cataracts on the Lualaba River, extending c.60 mi (100 km) between Kisangani and Ubundu, N central Congo (Kinshasa), central Africa. The f...

river blindness

(Encyclopedia)river blindness or onchocerciasis, disease caused by the parasitic nematode worm Onchocerca volvulus. The worm larvae are transmitted by the bites of blackflies (genus Simulium) that live in fast movi...

Wissmann, Hermann von

(Encyclopedia)Wissmann, Hermann von hĕrˈmän fən vĭsˈmän [key], 1853–1905, German explorer in Africa. He crossed (1880–82) Africa from Luanda to Zanzibar and, on behalf of Leopold II of Belgium, explored ...

Kafue

(Encyclopedia)Kafue käfo͞oˈā [key], river, c.600 mi (970 km) long, rising along the Zambia-Congo border, S central Africa, near Lubumbashi, and meandering through central Zambia to the Zambezi River. It provide...

Benin, country, Africa

(Encyclopedia)CE5 Benin bĕnēnˈ [key], officially Republic of Benin, republic (2020 est. pop. 12,120,000), ...

Crimean-Congo hemorrhagic fever

(Encyclopedia)Crimean-Congo hemorrhagic fever, acute, sometimes fatal disease endemic in many parts of Eurasia and Africa, caused by a tick-borne virus. The virus, an RNA virus (Nairovirus) of the Bunyaviridae fami...

Mweru, Lake

(Encyclopedia)Mweru, Lake mwāˈro͞o [key], c.70 mi (110 km) long and 30 mi (50 km) wide, alt. c.3,000 ft (910 m), central Africa, on the Congo-Zambia border. It is drained to the north by the Luvua River. The lak...

Grand River, river, Canada

(Encyclopedia)Grand River, c.165 mi (270 km) long, rising in the highlands of the Ontario Peninsula, S Ont., Canada, and flowing S past Kitchener and Brantford, then SE to Lake Erie at Port Maitland. It is navigabl...