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solar energy

(Encyclopedia)solar energy, any form of energy radiated by the sun, including light, radio waves, and X rays, although the term usually refers to the visible light of the sun. Solar energy is needed by green plants...

Sinai

(Encyclopedia)Sinai sīˈnī [key], triangular peninsula, c.23,000 sq mi (59,570 sq km), NE Egypt. It is c.230 mi (370 km) long and 150 mi (240 km) wide and extends north into a broad isthmus linking Africa and Asi...

Coronado, Francisco Vásquez de

(Encyclopedia)Coronado, Francisco Vásquez de fränthēsˈkō väsˈkāth dā kōrōnäˈᵺō [key], c.1510–1554, Spanish explorer. He went to Mexico with Viceroy Antonio de Mendoza and in 1538 was made governor...

Mahfouz, Naguib

(Encyclopedia)Mahfouz, Naguib nəgēbˈ mäkhfo͞osˈ [key], 1911–2006, Egyptian novelist and short-story writer, b. Cairo. After his graduation (1934) from Cairo Univ., he worked in various government ministries...

cuneiform

(Encyclopedia)CE5 Examples of the development of cuneiform cuneiform kyo͞onēˈĭfôrm [key] [Lat.,=wedge-shaped], system of writing developed before the last centuries of the 4th millennium b.c. in the lower ...

Cabeza de Vaca, Álvar Núñez

(Encyclopedia)Cabeza de Vaca, Álvar Núñez älˈvär no͞oˈnyāth käbāˈthä dā väˈkä [key], c.1490–c.1557, Spanish explorer. Cabeza de Vaca [cow's head] was not actually a surname but a hereditary title...

puppet

(Encyclopedia)puppet, human or animal figure, generally of a small size and performing on a miniature stage, manipulated by an unseen operator who usually speaks the dialogue. A distinction is made between marionet...

Pétain, Henri Philippe

(Encyclopedia)Pétain, Henri Philippe äNrēˈ fēlēpˈ pātăNˈ [key], 1856–1951, French army officer, head of state of the Vichy government (see under Vichy). In World War I he halted the Germans at Verdun (1...

Djibouti, country, Africa

(Encyclopedia)CE5 Djibouti jēbo͞otēˈ [key], officially Republic of Djibouti, republic (2015 est. pop. 828,000), c.8,900 sq mi (23,057 sq km), E Africa, on the Gulf of Aden. It is bounded by Eritrea (N), Ethi...

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...

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