Columbia Encyclopedia
Search results
306 results found
actinium
(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;...polonium
(Encyclopedia)polonium pəlōˈnēəm [key], radioactive chemical element; symbol Po; at. no. 84; mass no. of most stable isotope 209; m.p. 254℃; b.p. 962℃; sp. gr. about 9.4; valence +2 or +4. Polonium is an e...Le Pen, Marine
(Encyclopedia)Le Pen, Marine (Marion Anne Perrine Le Pen) lə pĕn, pŏN [key], 1968–, French politician, daughter of Jean-Marie Le Pen. A lawyer, she was in private practice (1992–98) before becoming head of ...Ashton, Sir Frederick
(Encyclopedia)Ashton, Sir Frederick, 1904–88, British choreographer and dancer, b. Guayaquil, Ecuador. He grew up in Peru and was drawn to dance after seeing (1917) a performance by Anna Pavlova there. Traveling ...Daudet, Alphonse
(Encyclopedia)Daudet, Alphonse älfôNsˈ dōdāˈ [key], 1840–97, French writer, b. Nîmes (Provence). Daudet made his mark with gentle naturalistic stories and novels portraying French life both in the province...Alexander, king of Yugoslavia
(Encyclopedia)Alexander, 1888–1934, king of Yugoslavia (1921–34), son and successor of Peter I. Of the Karadjordjević family, he was educated in Russia and became crown prince of Serbia upon the renunciation (...Bullins, Ed
(Encyclopedia)Bullins, Ed, 1935-2021, American playwright, b. Philadelphia, Pa., as Edward Artie Bullins, Antioch Univ. of San Fransico (B.A., 1989), San Francisco S...French Revolution
(Encyclopedia)French Revolution, political upheaval of world importance in France that began in 1789. The French Revolution, though it seemed a failure in 1799 and appeared nullified by 1815, had far-reachin...Iberville, Pierre le Moyne, sieur d'
(Encyclopedia)Iberville, Pierre le Moyne, sieur d' pyĕr lə mwän syör dēbĕrvēlˈ [key], 1661–1706, French Canadian naval officer, founder of the French territory of Louisiana, b. Ville Marie (in present Mon...Jospin, Lionel Robert
(Encyclopedia)Jospin, Lionel Robert zhôspăNˈ [key], 1937–, French politician, premier of France (1997–2002). He studied at the elite École Nationale d'Administration (1961–65) and worked (1965–70) in th...Browse by Subject
- Earth and the Environment +-
- History +-
- Literature and the Arts +-
- Medicine +-
- People +-
- Philosophy and Religion +-
-
Places
+-
- Africa
- Asia
- Australia and Oceania
- Britain, Ireland, France, and the Low Countries
- Commonwealth of Independent States and the Baltic Nations
- Germany, Scandinavia, and Central Europe
- Latin America and the Caribbean
- Oceans, Continents, and Polar Regions
- Spain, Portugal, Italy, Greece, and the Balkans
- United States, Canada, and Greenland
- Plants and Animals +-
- Science and Technology +-
- Social Sciences and the Law +-
- Sports and Everyday Life +-