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Ibn Saud

(Encyclopedia)Ibn Saud (Abd al-Aziz ibn Saud) ĭˈbən säo͞odˈ [key], c.1880–1953, founder of Saudi Arabia and its first king. His family, with its regular seat at Riyadh in the Nejd, were the traditional lead...

ground squirrel

(Encyclopedia)ground squirrel, name applied to certain terrestrial rodents of the squirrel family. In North America the name refers to members of the genus Citellus and sometimes to the closely related genera Tamia...

tank, military

(Encyclopedia)tank, military, armored vehicle having caterpillar traction and armed with machine guns, cannon, rockets, or flame throwers. The tank, together with the airplane, opened up modern warfare, which had b...

Northern Territory

(Encyclopedia)Northern Territory, territory (2016 pop. 228,833), 520,280 sq mi (1,347,525 sq km), N central Australia. It is bounded on the N by the Timor Sea, the Arafura Sea, and the Gulf of Carpentaria. Darwin i...

Lima, city, Peru

(Encyclopedia)Lima lēˈmə, Span. lēˈmä [key], city (1990 metropolitan area est. pop. 6,400,000), W Peru, capital and largest city of Peru. Its port is Callao. The Lima urban area is Peru's economic center and ...

DeLillo, Don

(Encyclopedia)DeLillo, Don dəlĭlˈō [key], 1936–, American novelist, b. New York City, grad. Fordham (1958). DeLillo is an accomplished prose stylist with a dark vision and mordant wit. In a steady stream of n...

Tuareg

(Encyclopedia)Tuareg or Touareg both: twäˈrĕg [key], Berbers of the Sahara, numbering c.2 million. They have preserved their ancient alphabet, which is related to that used by ancient Libyans. The Tuaregs tradit...

dust, atmospheric

(Encyclopedia)dust, atmospheric, minute particles slowly settling or suspended by slight currents and existing in varying amounts in all air. There is least dust at high levels over the ocean and most at low levels...

Hawaii, island, United States

(Encyclopedia)Hawaii, island (2020 pop. 200, 629), 4,037 sq mi (10,456 sq km), largest and southernmost island of the state of Hawaii and coextensive with Hawaii co.;...

hedgehog

(Encyclopedia)hedgehog, Old World insectivorous mammal of the family Erinaceidae. The spiny hedgehogs are found in Africa and Eurasia, except SE Asia. They have rounded bodies up to 13 in. (33 cm) long, very short ...