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Organization of Petroleum Exporting Countries

(Encyclopedia)Organization of Petroleum Exporting Countries (OPEC), multinational organization (est. 1960, formally constituted 1961) that coordinates petroleum policies and economic aid among oil-producing nations...

Drake, Sir Francis

(Encyclopedia)Drake, Sir Francis, 1540?–1596, English navigator and admiral, first Englishman to circumnavigate the world (1577–80). In 1585, Drake commanded a fleet that sacked Vigo in Spain and burned São ...

United Nations Members (table)

(Encyclopedia)United Nations Members

Lagos, city, Nigeria

(Encyclopedia)Lagos lāˈgŏs, läˈgôs [key], city (1991 est. pop. 1,274,000), SW Nigeria, on the Gulf of Guinea. It comprises the island of Lagos and three former neighboring islands (now connected by landfill t...

Accra

(Encyclopedia)Accra əkräˈ, ăkˈrə [key], city (1984 pop. 867,459), capital of Ghana, a port on the Gulf of Guinea. It is Ghana's largest city and its administrative, communications, and economic center. The ch...

scurvy

(Encyclopedia)scurvy, deficiency disorder resulting from a lack of vitamin C (ascorbic acid) in the diet. Scurvy does not occur in most animals because they can synthesize their own vitamin C, but humans, other pri...

Wegener, Alfred Lothar

(Encyclopedia)Wegener, Alfred Lothar älˈfrĕt lōtärˈ vĕgˈənər [key], 1880–1930, German geologist, meteorologist, and Arctic explorer. Early in his life, he was on the staff of the aeronautical observator...

Senegal, country, Africa

(Encyclopedia)CE5 Senegal sĕnĭgôlˈ, sĕnˈĭgôl [key], officially Republic of Senegal, republic (2015 est. pop. 13,975,000), 76,124 sq mi (197,161 sq km), W Africa. It is bordered by the Atlantic Ocean in t...

São Tomé and Principe

(Encyclopedia)CE5 São Tomé and Principe prēnˈsēpə [key], officially Democratic Republic of São Tomé and Principe, republic (2015 est. pop. 196,000), 372 sq mi (964 sq km), W Africa, in the Gulf of Guinea...

walnut

(Encyclopedia)CE5 Black walnut, Juglans nigra walnut, common name for some members of the Juglandaceae, a family of chiefly deciduous, resinous trees characterized by large and aromatic compound leaves. Species...