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calcium

(Encyclopedia)calcium kălˈsēəm [key] [Lat.,=lime], metallic chemical element; symbol Ca; at. no. 20; at. wt. 40.078; m.p. about 839℃; b.p. 1,484℃; sp. gr. 1.55 at 20℃; valence +2. Calcium is a malleable, ...

Germans

(Encyclopedia)Germans, great ethnic complex of ancient Europe, a basic stock in the composition of the modern peoples of Sweden, Norway, Denmark, Iceland, Germany, Austria, Switzerland, N Italy, the Netherlands, Be...

exploration

(Encyclopedia)exploration, travel to a part of the earth that is relatively unknown to the traveler's culture, historically often motivated by a desire for colonization, conquest, or trade. See also space explorati...

Germanic languages

(Encyclopedia)Germanic languages, subfamily of the Indo-European family of languages, spoken by about 470 million people in many parts of the world, but chiefly in Europe and the Western Hemisphere. All the modern ...

North Atlantic Treaty Organization

(Encyclopedia)North Atlantic Treaty Organization (NATO), established under the North Atlantic Treaty (Apr. 4, 1949) by Belgium, Canada, Denmark, France, Great Britain, Iceland, Italy, Luxembourg, the Netherlands, N...

navigation

(Encyclopedia)navigation, science and technology of finding the position and directing the course of vessels and aircraft. The next great revolution in navigation occurred in the 20th cent., when radio signals ...

Denmark

(Encyclopedia)CE5 Denmark dĕnˈmärk [key], Dan. Danmark, officially Kingdom of Denmark, kingdom (2015 est. pop. 5,689,000), 16,629 sq mi (43,069 sq km), N Europe. It borders on Germany in the south, the North ...

chess

(Encyclopedia)chess, game for two players played on a square board composed of 64 square spaces, alternately dark and light in color. London was the site of the first modern international chess tournament in 1851...

fisheries

(Encyclopedia)fisheries. From earliest times and in practically all countries, fisheries have been of industrial and commercial importance. In the large N Atlantic fishing grounds off Newfoundland and Labrador, for...

Lutheranism

(Encyclopedia)Lutheranism, branch of Protestantism that arose as a result of the Reformation, whose religious faith is based on the principles of Martin Luther, although he opposed such a designation. When Luther r...

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