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Petraeus, David Howell

(Encyclopedia)Petraeus, David Howell pĕtrāˈəs [key], 1952–, American military officer and government official, b. Cornwall, N.Y., studied West Point (B.S., 1974), U.S. Army Command and General Staff College (...

Work Projects Administration

(Encyclopedia)Work Projects Administration (WPA), former U.S. government agency, established in 1935 by executive order of President Franklin Delano Roosevelt as the Works Progress Administration; it was renamed th...

xenon

(Encyclopedia)xenon zēˈnŏn [key] [Gr.,=strange], gaseous chemical element; symbol Xe; at. no. 54; at. wt. 131.293; m.p. −111.9℃; b.p. −107.1℃; density 5.86 grams per liter at STP; valence usually 0. Xeno...

capillarity

(Encyclopedia)CE5 Capillarity: Water wets the walls of a capillary tube and thus rises, causing the upper surface, or meniscus, of the liquid to be concave; mercury does not wet the walls of a capillary tube and...

carpentry

(Encyclopedia)carpentry, trade concerned with constructing wood buildings, the wooden portions of buildings, or the temporary timberwork used during the construction of buildings. It comprises the larger and more s...

Bhopal

(Encyclopedia)Bhopal bōˈpäl [key], former principality, Madhya Pradesh state, central India. A region of rolling downs and thickly forested hills, it is predominantly agricultural. Its Buddhist monuments include...

population

(Encyclopedia)population, the inhabitants of a given area, but perhaps most importantly, the human inhabitants of the earth (numbering about 7.5 billion in 2017), who by their increasing numbers and corresponding i...

solid waste

(Encyclopedia)solid waste, discarded materials other than fluids. In the United States in 1996, nearly 210 million tons—about 4.3 lb. (2 kg) per person daily (up from 2.7 lb./1.2 kg in 1960)—were collected and ...

Oaxaca, state, Mexico

(Encyclopedia)Oaxaca wähäˈkä [key], state (1990 pop. 3,019,560), 36,375 sq mi (94,211 sq km), S Mexico, on the Pacific Ocean and its arm, the Gulf of Tehuantepec. Oaxaca is the capital. The northern part of the...

Louis XVIII, king of France

(Encyclopedia)Louis XVIII, 1755–1824, king of France (1814–24), brother of King Louis XVI. Known as the comte de Provence, he fled (1791) to Koblenz from the French Revolution and intrigued to bring about forei...