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metaphysics

(Encyclopedia)metaphysics mĕtəfĭzˈĭks [key], branch of philosophy concerned with the ultimate nature of existence. It perpetuates the Metaphysics of Aristotle, a collection of treatises placed after the Physic...

Klaus, Václav

(Encyclopedia)Klaus, Václav klous [key], 1941–, Czech politician. A staunch free-market economist and leader (1991–2002) of the Civic Democratic party, he has been one of Eastern Europe's more influential pos...

cadmium

(Encyclopedia)cadmium kădˈmēəm [key] [from cadmia, Lat. for calamine, with which cadmium is found associated], metallic chemical element; symbol Cd; at. no. 48; at. wt. 112.411; m.p. 321℃; b.p. 765℃; sp. gr...

Celan, Paul

(Encyclopedia)Celan, Paul äntˈshschwa;l [key], 1920–70, Romanian-French poet. Although he spent his early years in Romania and his later years in France, Celan wrote in German and is widely considered the great...

Spartacus party

(Encyclopedia)Spartacus party or Spartacists, radical group of German Socialists, formed c.Mar., 1916, and led by Karl Liebknecht and Rosa Luxemburg. The name was derived from the pseudonym Spartacus used by Liebkn...

Marxism

(Encyclopedia)Marxism, economic and political philosophy named for Karl Marx. It is also known as scientific (as opposed to utopian) socialism. Marxism has had a profound impact on contemporary culture; modern comm...

Bach

(Encyclopedia)Bach bäkh [key], German family of distinguished musicians who flourished from the 16th through the 18th cent., its most renowned member being Johann Sebastian Bach (see separate articleBach, Johann S...

Troy , ancient city, Asian Turkey

(Encyclopedia)Troy, ancient city made famous by Homer's account of the Trojan War. It is also called Ilion or, in Latin, Ilium. Its site is almost universally accepted as the mound now named Hissarlik, in Asian Tur...

harmonica

(Encyclopedia)harmonica. 1 The simplest of the musical instruments employing free reeds, known also as the mouth organ or French harp. It was probably invented in 1829 by Friedrich Buschmann of Berlin, who called h...

aspirin

(Encyclopedia)aspirin, acetyl derivative of salicylic acid (see salicylate) that is used to lower fever, relieve pain, reduce inflammation, and thin the blood. Common conditions treated with aspirin include headach...