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Özal, Turgut

(Encyclopedia)Özal, Turgut, 1927–93, Turkish political leader, president of Turkey (1989–93). Trained as an electrical engineer, he worked for the Turkish state planning office in the 1950s and 60s, as an econ...

flight simulator

(Encyclopedia)flight simulator, device providing a controlled environment in which a flight trainee can experience conditions approximating those of actual flight. A simulator generally consists of an enclosure hou...

gangrene

(Encyclopedia)gangrene, local death of body tissue. Dry gangrene, the most common form, follows a disturbance of the blood supply to the tissues, e.g., in diabetes, arteriosclerosis, thrombosis, or destruction of t...

Holmström, Bengt

(Encyclopedia)Holmström, Bengt, 1949–, Finnish economist, b. Helsinki, Ph.D. Stanford, 1978. He has spent almost all his career in academia, at Northwestern Univ. (1979–83), Yale (1983–94), and the Massachus...

Honorius I

(Encyclopedia)Honorius I hōnôrˈēəs [key], pope (625–38), an Italian; successor of Boniface V. He showed great interest in the church in Spain and the British Isles, and he did a great deal to reform the educ...

hydroxyl group

(Encyclopedia)hydroxyl group hīdrŏkˈsĭl [key], in chemistry, functional group that consists of an oxygen atom joined by a single bond to a hydrogen atom. An alcohol is formed when a hydroxyl group is joined by ...

Aosta

(Encyclopedia)Aosta äôˈstä [key], city, capital of Valle d'Aosta region and of Aosta prov., NW Italy, near the junction of the Great and Little St. Bernard roads. Aosta is an indust...

Doncaster

(Encyclopedia)Doncaster dŏngˈkəstər [key], metropolitan borough, N central England, on the Don River. D...

Duque Márquez, Iván

(Encyclopedia)Duque Márquez, Iván, 1976–, Colombian lawyer and political leader, b. Bogotá, grad. Sergio Arbolida Univ., Bogotá, 2000, studied American Univ. and Georgetown Univ., Washington, D.C. From a well...

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