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Agua

(Encyclopedia)Agua äˈwä, äˈgwä [key] [Span.,=volcano of water], volcano, 12,310 ft (3,752 m) high, S Guatemala. In 1541, climaxing several days of unceasing rain and earthquakes, a lahar (a fast-moving mud a...

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.;...

Wheeldon, Christopher

(Encyclopedia)Wheeldon, Christopher, 1973–, British ballet dancer and choreographer, studied Royal Ballet School, London. An outstanding contemporary classicist, Wheeldon creates dances that are lyrical, witty, s...

liana

(Encyclopedia)liana lēänˈ [key], name for any climbing plant that roots in the ground. The term is most often used for the woody vines that form a characteristic part of tropical rain-forest vegetation; they are...

Salt River valley

(Encyclopedia)Salt River valley, irrigated region around the lower course of the Salt River, which rises in mountain streams near the Mogollon Rim of the Mogollon Plateau and flows southwest to join the Gila River ...

addax

(Encyclopedia)addax ădˈăks [key], large, desert-dwelling antelope. It is a single species, Addax nasomaculatus. The addax is yellowish-white in color, has a brown mane and throat fringe, and may stand as high as...

umbrella

(Encyclopedia)umbrella, a small canopy used as a protection against the sun in China, Egypt, and elsewhere in remote antiquity. It was often an emblem of rank. During the Middle Ages the umbrella became almost exti...

flying lemur

(Encyclopedia)flying lemur, gliding mammal native to the tropical lowland forests of S Asia, Malaya, and the Philippines. Also called the colugo, the flying lemur is brownish or grayish above and paler below. It ra...

Ypres, battles of

(Encyclopedia)Ypres, battles of, three major engagements of World War I fought in and around the town of Ypres in SW Belgium. The first battle of Ypres (Oct.–Nov., 1914) was the last of the series of engagements ...

Langmuir, Irving

(Encyclopedia)Langmuir, Irving lăngˈmyo͞or [key], 1881–1957, American chemist, b. Brooklyn, N.Y. Associated (1909–50) with the research laboratory of the General Electric Company, he introduced atomic-hydrog...