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tunnel

(Encyclopedia)tunnel, underground passage usually made without removing the overlying rock or soil. Although tunnels are approximately horizontal, they must be built with sufficient gradient for proper drainage. Tu...

Vanuatu

(Encyclopedia)Vanuatu vänˌwäto͞oˈ [key], officially Republic of Vanuatu, independent republic (2015 est. pop. 265,000), c.5,700 sq mi (14,760 sq km), South Pacific, E of Australia. Vanuatu is a 450-mi (724-km)...

Metropolitan Opera Company

(Encyclopedia)Metropolitan Opera Company, term used in referring collectively to the organizations that have produced opera at the Metropolitan Opera House, New York City. The original house, at West 39th Street an...

musicals

(Encyclopedia)musicals, earlier known as musical comedies, plays that incorporate music, song, and dance. These elements move with the plot, heightening and commenting on the action. Mixing the sprightly songs and ...

Hoover, Herbert Clark

(Encyclopedia)Hoover, Herbert Clark, 1874–1964, 31st President of the United States (1929–33), b. West Branch, Iowa. Except for major speeches before the Republican conventions and a 1938 European tour, Hoove...

Dutch and Flemish literature

(Encyclopedia)Dutch and Flemish literature, literary works written in the standard language of the Low Countries since the Middle Ages. It is conventional to use the term Dutch when referring to the language spoken...

plate tectonics

(Encyclopedia)CE5 Plate tectonics: Map of the world showing major plates and plate boundaries CE5 Plate tectonics: Schematic model of the oceanic crust, showing the three types of plate boundaries plate tect...

Tammany

(Encyclopedia)Tammany tămˈənē [key] or Tammany Hall, popular name for the Democratic political machine in Manhattan. Tammany suffered a telling defeat in the election of 1932 and did not regain its former s...

romanticism

(Encyclopedia)romanticism, term loosely applied to literary and artistic movements of the late 18th and 19th cent. Romanticism in music was characterized by an emphasis on emotion and great freedom of form. It...

strategy and tactics

(Encyclopedia)strategy and tactics, in warfare, related terms referring, respectively, to large-scale and small-scale planning to achieve military success. Strategy may be defined as the general scheme of the condu...