Columbia Encyclopedia

(Encyclopedia) Mitterrand, François Maurice fräNswäˈ mōrēsˈ mētəräNˈ [key], 1916–96, French political leader, president of France, 1981–95. Initially a supporter of Pétain's Vichy government during W...

(Encyclopedia) number theory, branch of mathematics concerned with the properties of the integers (the numbers 0, 1, −1, 2, −2, 3, −3, …). An important area in number theory is the analysis of prime number...

(Encyclopedia) multiple personality, a very rare psychological disorder in which a person has two or more distinct personalities, each with its own thoughts, feelings, and patterns of behavior. The personalities oft...

(Encyclopedia) Pamir pəmērˈ, pä– [key] or Pamirs, mountainous region of central Asia, located mainly in Tajikistan and extending into NE Afghanistan and SW Xinjiang Uygur Autonomous Region, China; called the �...

(Encyclopedia) Brazzaville brăzˈəvĭl, Fr. bräzävēlˈ [key], city (1984 pop. 585,812), capital of the Republic of the Congo, on Pool Malebo of the Congo River. It is the nation's largest city and its administr...

(Encyclopedia) syndicalism sĭnˈdĭkəlĭzəm [key], political and economic doctrine that advocates control of the means and processes of production by organized bodies of workers. Like anarchists, syndicalists bel...

(Encyclopedia) Washington Monument, obelisk-shaped tower, 555 ft 51⁄9 in. (169.3 m) high, located on a 106-acre (43-hectare) site at the west end of the Mall, Washington, D.C.; dedicated 1885. The world's tallest ...

(Encyclopedia) actinium ăktĭnˈēəm [key] [Gr.,=like a ray], radioactive chemical element; symbol Ac; at. no. 89; mass number of most stable isotope 227; m.p. about 1,050℃; b.p. 3,200℃±300℃; sp. gr. 10.07;...

(Encyclopedia) Grenoble grənôˈblə [key], city, capital of Isère dept., SE France, at the foot of the Al...

(Encyclopedia) Debussy, Claude Achille klôd äshēlˈ dəbüsēˈ [key], 1862–1918, French composer, exponent of musical impressionism. He studied for 11 years at the Paris Conservatory, receiving its Grand Prix ...