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antiparticle

(Encyclopedia)antiparticle, elementary particle corresponding to an ordinary particle such as the proton, neutron, or electron, but having the opposite electrical charge and magnetic moment. Every elementary partic...

helium

(Encyclopedia)helium hēˈlēəm [key], gaseous chemical element; symbol He; at. no. 2; at. wt. 4.0026; m.p. below −272℃ at 26 atmospheres pressure; b.p. −268.934℃ at 1 atmosphere pressure; density 0.1785 g...

Maccabees, Jewish family

(Encyclopedia)Maccabees or Machabees both: măkˈəbēz [key], Jewish family of the 2d and 1st cent. b.c. that brought about a restoration of Jewish political and religious life. They are also called Hasmoneans or ...

Zwingli, Huldreich

(Encyclopedia)Zwingli, Huldreich or Ulrich ho͝oldˈrīkh tsvĭngˈlē, o͝olˈrĭkh [key], 1484–1531, Swiss Protestant reformer. The real beginning of the Reformation in Switzerland was Zwingli's lectures on t...

diet, in nutrition

(Encyclopedia)diet, food and drink regularly consumed for nourishment. Nutritionists generally recommend eating a wide variety of foods; however, some groups of people survive on a very limited diet. The traditiona...

Wright, Frank Lloyd

(Encyclopedia)Wright, Frank Lloyd, 1867–1959, American architect, b. Richland Center, Wis., as Frank Lincoln Wright; he changed his name to honor his mother's family (the Lloyd Joneses). Wright is widely consider...

Communist party, in the United States

(Encyclopedia)Communist party, in the United States, political party that espoused the Marxist-Leninist principles of communism. In 1945, Browder's policy was attacked as being one of the “right deviationism,�...

physics

(Encyclopedia)physics, branch of science traditionally defined as the study of matter, energy, and the relation between them; it was called natural philosophy until the late 19th cent. and is still known by this na...

Shaw, George Bernard

(Encyclopedia)Shaw, George Bernard, 1856–1950, Irish playwright and critic. He revolutionized the Victorian stage, then dominated by artificial melodramas, by presenting vigorous dramas of ideas. The lengthy pref...

Coleridge, Samuel Taylor

(Encyclopedia)Coleridge, Samuel Taylor, 1772–1834, English poet and man of letters, b. Ottery St. Mary, Devonshire; one of the most brilliant, versatile, and influential figures in the English romantic movement. ...