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Andes

(Encyclopedia)Andes ănˈdēz [key], mountain system, more than 5,000 mi (8,000 km) long, W South America. The ranges run generally parallel to the Pacific coast and extend from Tierra del Fuego northward, across t...

Cretaceous period

(Encyclopedia)Cretaceous period krĭtāˈshəs [key], third and last period of the Mesozoic era of geologic time (see Geologic Timescale, tablegeologic timescale, table), lasting from approximately 144 to 65 millio...

New Jersey

(Encyclopedia)CE5 New Jersey, Middle Atlantic state of the E United States. It is bordered by New York State (N and, across the Hudson River and New York Harbor, E), the Atlantic Ocean (E), Delaware, across Dela...

Arizona

(Encyclopedia)CE5 Arizona ârˌəzōˈnə [key], state in the SW United States. It is bordered by Utah (N), New Mexico (E), Mexico (S), and, largely across the Colorado River, Nevada and California (W); it touch...

New Orleans

(Encyclopedia)New Orleans ôrˈlēənz –lənz, ôrlēnzˈ [key], city (2006 pop. 187,525), coextensive with Orleans parish, SE La., between the Mississippi River and Lake Pontchartrain, 107 mi (172 km) by water f...

North America

(Encyclopedia)CE5 North America, third largest continent (2015 est. pop. 571,949,000), c.9,400,000 sq mi (24,346,000 sq km), the northern of the two continents of the Western Hemisphere. North America includes a...

Native American languages

(Encyclopedia)Native American languages, languages of the native peoples of the Western Hemisphere and their descendants. A number of the Native American languages that were spoken at the time of the European arriv...

Luxembourg, grand duchy, W Europe

(Encyclopedia)CE5 Luxembourg lŭkˈsəmbûrg, Ger. lo͝okˈsəmbo͝orkh [key], officially Grand Duchy of Luxembourg, grand duchy (2015 est. pop. 567,000), 998 sq mi (2,586 sq km), W Europe. Roughly triangular, i...

disarmament, nuclear

(Encyclopedia)disarmament, nuclear, the reduction and limitation of the various nuclear weapons in the military forces of the world's nations. The atomic bombs dropped (1945) on Japan by the United States in World ...

archaeology

(Encyclopedia)archaeology ärkēŏlˈəjē [key] [Gr.,=study of beginnings], a branch of anthropology that seeks to document and explain continuity and change and similarities and differences among human cultures. ...