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Thomas Alexander Crerar
Thomas Alexander Crerar 1876-1975, Canadian political leader. Under his able direction the United Grain Growers, Ltd., of which he was president (1907-29), became one of the most successful farmers' cooperative movements in W Canada. A Liberal, Crerar served (1917-19) as minister of agriculture in ...
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divining rod
divining rod or dowser, stick used in searching for underground water or minerals. This form of divination is still in common use in many parts of the world. The instrument is typically a forked twig. The operator holds the forked ends of the twig close to his body, with the stem pointing forwa...
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Luzon
Luzon , island (1990 pop. 30,797,458), 40,420 sq mi (104,688 sq km), largest, most populous, and most important of the Philippine Islands.
Land and People
The irregular coastline of Luzon provides several fine bays, most notably Manila Bay, which is considered the best natural harbor in E ...
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diamond
diamond mineral, one of two crystalline forms of the element carbon (see allotropy ), the hardest natural substance known, used as a gem and in industry.
Properties
Diamonds crystallize in the isometric system (see crystal ) commonly as transparent to translucent white, colorless, yel...
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diamond
diamond mineral, one of two crystalline forms of the element carbon (see allotropy ), the hardest natural substance known, used as a gem and in industry.
Properties
Diamonds crystallize in the isometric system (see crystal ) commonly as transparent to translucent white, colorless, yel...
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Ruggiero Leoncavallo
Ruggiero Leoncavallo , 1857-1919, Italian composer. The opera Pagliacci (1892), his one outstanding success, is a classic example of Italian verismo, or realism. Of his numerous other operas, only Zazà (1900) had moderate success.
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expert system
expert system a computer system or program that uses artificial intelligence techniques to solve problems that ordinarily require a knowledgeable human. The method used to construct such systems, knowledge engineering, extracts a set of rules and data from an expert or experts through extensive q...
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Stakhanovism
Stakhanovism , movement begun (1935) in the Soviet Union aimed at increasing industrial production by the use of efficient working techniques. It was named for Aleksey Grigorevich Stakhanov, a coal miner in the Donets Basin, whose team increased its daily output sevenfold by organizing a more effici...
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Atholl
Atholl , successively an earldom, a marquisate, and a dukedom of Scotland. For Scottish nobles so entitled, use Stuart, John, and Murray, John.
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The Philippines
The Philippines , officially Republic of the Philippines, republic (2005 est. pop. 87,857,000), 115,830 sq mi (300,000 sq km), SW Pacific, in the Malay Archipelago off the SE Asia mainland. It comprises over 7,000 islands and rocks, of which only c.400 are permanently inhabited. The 11 largest islan...
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