Columbia Encyclopedia

Search results

484 results found

spider

(Encyclopedia)spider, organism, mostly terrestrial, of the class Arachnida, order Araneae, with four pairs of legs and a two-part body consisting of a cephalothorax, or prosoma, and an unsegmented abdomen, or opist...

San Diego

(Encyclopedia)San Diego săn dēāˈgō [key], city (1990 pop. 1,110,549), seat of San Diego co., S Calif., on San Diego Bay; inc. 1850. San Diego includes the unincorporated communities of La Jolla and Spring Vall...

sun, in astronomy

(Encyclopedia)CE5 Structure of the sun sun, intensely hot, self-luminous body of gases at the center of the solar system. Its gravitational attraction maintains the planets, comets, and other bodies of the sola...

jazz

(Encyclopedia)jazz, the most significant form of musical expression of African-American culture and arguably the most outstanding contribution the United States has made to the art of music. ...

dentistry

(Encyclopedia)dentistry, treatment and care of the teeth and associated oral structures. Dentistry is mainly concerned with tooth decay, disease of the supporting structures, such as the gums, and faulty positionin...

depression, in economics

(Encyclopedia)depression, in economics, period of economic crisis in commerce, finance, and industry, characterized by falling prices, restriction of credit, low output and investment, numerous bankruptcies, and a ...

Arabian music

(Encyclopedia)Arabian music, classical musical tradition of the Islamic peoples of Arabia, the Fertile Crescent, and North Africa. Little is known of Arabian music before the Hegira (a.d. 622), but afterward unde...

Munich

(Encyclopedia)Munich münˈkhən [key], city (1994 pop. 1,255,623), capital of Bavaria, S Germany, on the Isar River near the Bavarian Alps. It is a financial, commercial, industrial, transportation, communications...

lever

(Encyclopedia)CE5 Classes of levers: A first-class lever (A), a second-class lever (B), and a third-class lever (C) lever, simple machine consisting of a bar supported at some stationary point along its length ...

wood carving

(Encyclopedia)wood carving, as an art form, includes any kind of sculpture in wood, from the decorative bas-relief on small objects to life-size figures in the round, furniture, and architectural decorations. The w...