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Kitt Peak National Observatory

(Encyclopedia)Kitt Peak National Observatory, astronomical observatory located southwest of Tucson, Ariz.; it was founded in 1958 under contract with the National Science Foundation and is administered by the Assoc...

Konrad, George

(Encyclopedia)Konrad, George, or György Konrád dyûrˈdyēkônˈräd [key], 1933–2019, Hungarian novelist and dissident. Konrad's first novel, The Case Worker (1969; tr. 1974), was based on his experiences as a...

Pérez Rodríguez, Carlos Andrés

(Encyclopedia)Pérez Rodríguez, Carlos Andrés kärˈlōs ändrāsˈ pāˈrās rôdrēˈgās [key], 1922–2010, president of Venezuela (1974–78, 1989–93). An aide to President Rómulo Betancourt, he was secre...

Agricultural Adjustment Administration

(Encyclopedia)Agricultural Adjustment Administration (AAA), former U.S. government agency established (1933) in the Dept. of Agriculture under the Agricultural Adjustment Act of 1933 as part of Franklin Delano Roos...

Bouterse, Désiré Delano

(Encyclopedia)Bouterse, Désiré Delano, 1945–, Surinamese military and political leader, president of Suriname (2010–20). He received military training in the Netherlands and was stationed at a German military...

Boutwell, George Sewall

(Encyclopedia)Boutwell, George Sewall so͞oˈəl boutˈwəl, –wĕl [key], 1818–1905, American politician, b. Brookline, Mass. He served seven terms in the Massachusetts legislature between 1842 and 1851, was el...

Blair, Montgomery

(Encyclopedia)Blair, Montgomery, 1813–83, U.S. Postmaster General (1861–64), b. Franklin co., Ky., son of Francis P. Blair (1791–1876). He resigned from the army in 1836 after serving against the Seminole and...

South China Sea

(Encyclopedia)South China Sea, western arm of the Pacific Ocean, c.1,000,000 sq mi (2,590,000 sq km), between the SE Asian mainland and Taiwan, the Philippines, and Borneo. It is connected with the East China Sea b...

petal

(Encyclopedia)petal, one of the four basic parts of a flower, next innermost organ from the sepal. The whorl of petals is known collectively as the corolla [Lat.,=little crown]. The number of petals is usually cons...

fraction

(Encyclopedia)fraction [Lat.,=breaking], in arithmetic, an expression representing a part, or several equal parts, of a unit. When fractions having the same denominator, as 3⁄10 and 4⁄10, are added, only the ...