Columbia Encyclopedia
Search results
500 results found
Grignard reagent
(Encyclopedia)Grignard reagent grēnyärdˈ rēāˈjənt [key], any of an important class of extremely reactive chemical compounds used in the synthesis of hydrocarbons, alcohols, carboxylic acids, and other compou...Cadoudal, Georges
(Encyclopedia)Cadoudal, Georges zhôrzh kädo͞odälˈ [key], 1771–1804, French royalist conspirator. A commander of the Chouans, he led the counterrevolutionists in the Vendée. He fled to England in 1801 after ...Belaúnde Terry, Fernando
(Encyclopedia)Belaúnde Terry, Fernando fārnänˈdō bāläo͞onˈdā tāˈrē [key], 1912–2002, president of Peru (1963–68, 1980–85). A successful architect, he served in the chamber of deputies (1945–48)...subduction zone
(Encyclopedia)subduction zone, large-scaled narrow region in the earth's crust where, according to plate tectonics, masses of the spreading oceanic lithosphere bend downward into the earth along the leading edges o...Selden, John
(Encyclopedia)Selden, John, 1584–1654, English jurist and scholar. He studied at Oxford, was called to the bar in 1612, and was elected to Parliament in 1623. He had already assisted in preparing the protestation...Maduro Moros, Nicolás
(Encyclopedia)Maduro Moros, Nicolás nēkōläsˈ mädo͞oˈrō mōˈrōs [key], 1962–, Venezuelan trade union and political leader. He was trained as a union organizer in Cuba, and later became a leader in an un...Dick, Philip K.
(Encyclopedia)Dick, Philip K. (Philip Kindred Dick), 1928–82, American science-fiction writer, b. Chicago. Dick often wrote of the psychological states of individuals caught in altered realities where the everyda...Dumas, Alexandre (Dumas père), 1802–70, French novelist and dramatist
(Encyclopedia)Dumas, Alexandre pĕr [key], 1802–70, French novelist and dramatist. His father, Thomas-Alexandre Dumas, was a general in the Revolution. Dumas delighted many generations of readers with his highly ...Acton, Sir John Francis Edward
(Encyclopedia)Acton, Sir John Francis Edward, 1736?–1811, Neapolitan statesman of British origin, b. Besançon, France. Called upon by Queen Marie Caroline and King Ferdinand IV of Naples (later Ferdinand I of th...Prud'hon, Pierre Paul
(Encyclopedia)Prud'hon, Pierre Paul pyĕr pôl prüdôNˈ [key], 1758–1823, French painter; 13th child of a Cluny stonemason. He gained recognition in 1796 with Truth Descending from the Heavens Led by Wisdom (Lo...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 +-