any of certain azo dyes , derived mainly from benzidine

an aquatic salamander , Amphiuma means, having an eel-like body with gill slits and rudimentary limbs and inhabiting still , muddy waters in the southern US: family Amphiumidae

a brownish-red soluble powder , used as a dye , a diagnostic indicator , a biological stain , and a chemical indicator. Formula: C 32 H 22 N 6 O 6 S 2 Na 2

a branch of the Niger-Congo family of African languages, consisting of the Bantu languages together with certain other languages of W Africa

a family of languages of Africa consisting of the Bantu languages together with most of the languages of the coastal regions of West Africa. The chief branches are Benue-Congo (including Bantu), Kwa , Mande , and West Atlantic

former Belgian colony (1908-60) in central Africa: now the country of Democratic Republic of the Congo

one of the four territories of former French Equatorial Africa, in W central Africa: became an autonomous member of the French Community , as the Republic of the Congo , in 1958

the second longest river in Africa, rising as the Lualaba on the Katanga plateau in the Democratic Republic of the Congo and flowing in a wide northerly curve to the Atlantic : forms the border between Congo-Brazzaville and the Democratic Republic of the Congo. Length: about 4800 km (3000 miles). Area of basin : about 3 000 000 sq km (1 425 000 sq miles)

the second longest river in Africa, rising as the Lualaba on the Katanga plateau in the Democratic Republic of the Congo and flowing in a wide northerly curve to the Atlantic : forms the border between Congo-Brazzaville and the Democratic Republic of the Congo. Length: about 4800 km (3000 miles). Area of basin : about 3 000 000 sq km (1 425 000 sq miles)

→ Niger-Kordofanian

the second longest river in Africa, rising as the Lualaba on the Katanga plateau in the Democratic Republic of the Congo and flowing in a wide northerly curve to the Atlantic : forms the border between Congo-Brazzaville and the Democratic Republic of the Congo. Length: about 4800 km (3000 miles). Area of basin : about 3 000 000 sq km (1 425 000 sq miles)

a republic in W Central Africa: formerly the French colony of Middle Congo , part of French Equatorial Africa, it became independent in 1960; consists mostly of equatorial forest , with savanna and extensive swamps ; drained chiefly by the Rivers Congo and Ubangi . Official language: French. Religion : Christian majority . Currency : franc . Capital: Brazzaville . Pop: 5 260 750 (2017 est). Area: 342 000 sq km (132 018 sq miles)

a republic in S central Africa, with a narrow strip of land along the Congo estuary leading to the Atlantic in the west: Congo Free State established in 1885, with Leopold II of Belgium as absolute monarch ; became the Belgian Congo colony in 1908; gained independence in 1960, followed by civil war and the secession of Katanga (until 1963); President Mobutu Sese Seko seized power in 1965; declared a one-party state in 1978, and was overthrown by rebels in 1997. The country consists chiefly of the Congo basin , with large areas of dense tropical forest and marshes , and the Mitumba highlands reaching over 5000 m (16 000 ft) in the east. Official language: French. Religion: Christian majority , animist minority . Currency: Congolese franc . Capital: Kinshasa . Pop: 81 339 988 (2017 est). Area: 2 344 116 sq km (905 063 sq miles)

a republic in S central Africa, with a narrow strip of land along the Congo estuary leading to the Atlantic in the west: Congo Free State established in 1885, with Leopold II of Belgium as absolute monarch ; became the Belgian Congo colony in 1908; gained independence in 1960, followed by civil war and the secession of Katanga (until 1963); President Mobutu Sese Seko seized power in 1965; declared a one-party state in 1978, and was overthrown by rebels in 1997. The country consists chiefly of the Congo basin , with large areas of dense tropical forest and marshes , and the Mitumba highlands reaching over 5000 m (16 000 ft) in the east. Official language: French. Religion : Christian majority , animist minority . Currency : Congolese franc . Capital: Kinshasa . Pop: 81 339 988 (2017 est). Area: 2 344 116 sq km (905 063 sq miles)