Columbia Encyclopedia

(Encyclopedia) hypertension or high blood pressure, elevated blood pressure resulting from an increase in the amount of blood pumped by the heart or from increased resistance to the flow of blood through the small a...

(Encyclopedia) Institutional Revolutionary party, Span. Partido Revolucionario Institucional (PRI), Mexican political party. Established in 1929 as the National Revolutionary party by former President Plutarco Calle...

(Encyclopedia) International Monetary Fund (IMF), specialized agency of the United Nations, established in 1945. It was planned at the Bretton Woods Conference (1944), and its headquarters are in Washington, D.C. Th...

(Encyclopedia) counterfeiting, manufacturing spurious coins, paper money, or evidences of governmental obligation (e.g., bonds) in the semblance of the true. There must be sufficient resemblance to the genuine artic...

(Encyclopedia)  CE5 A. Structure of a bird wing B. Structure of a bat wing wings, flight organs of the bird, the bat, and the insect. Birds' wings are pectoral appendages that are basically the same in skeletal...

(Encyclopedia) Togoland tōˈgō [key], historic region (c.33,500 sq mi/86,800 sq km), W Africa, bordering on the Gulf of Guinea in the south. The western section of Togoland is now part of Ghana, and the eastern po...

(Encyclopedia) Sembene, Ousmane o͝osmäˈnĕ səmbĕˈnĕ [key], 1923–2007, Senegalese author and film director who wrote and made films in French and Wolof, often regarded as the father of sub-Saharan African ci...

(Encyclopedia) Liberty, Statue of, statue on Liberty Island in Upper New York Bay, commanding the entrance to New York City. Liberty Island, c.10 acres (4 hectares), formerly Bedloe's Island (renamed in 1956), was t...

(Encyclopedia) arteriosclerosis ärtĭrˌēōsklərōˈsis [key], general term for a condition characterized by thickening, hardening, and loss of elasticity of the walls of the blood vessels. These changes are freq...

(Encyclopedia) Lübeck lüˈbĕk [key], city (1994 pop. 217,270), Schleswig-Holstein, central Germany, on the Trave River near its mouth on the Baltic Sea. It is a major port and a commercial and industrial center; ...