Columbia Encyclopedia
Search results
500 results found
solenoid
(Encyclopedia)solenoid sōˈlənoidˌ [key], device made of a long wire that has been wound many times into a tightly packed coil; it has the shape of a long cylinder. If current is sent through a solenoid made of ...Duchenne, Guillaume Benjamin Amand
(Encyclopedia)Duchenne, Guillaume Benjamin Amand gēyōmˈ bäNzhämăNˈ ämäNˈ düshĕnˈ [key], 1806–75, French physician. He is noted for researches on diseases of the muscular and nervous systems and for h...conduction
(Encyclopedia)conduction, transfer of heat or electricity through a substance, resulting from a difference in temperature between different parts of the substance, in the case of heat, or from a difference in elect...Vaiont Dam
(Encyclopedia)Vaiont Dam, 858 ft (262 m) high, on the Vaiont River, a tributary of the Piave River, in Venetia, NE Italy, near Belluno. Vaiont Dam, one of the highest in the world, was completed in 1961 and is used...Ticino , river, Switzerland and Italy
(Encyclopedia)Ticino, Lat. Ticinus, river, 154 mi (248 km) long, rising in Ticino canton, S Switzerland, and flowing generally S through Lago Maggiore into N Italy, joining the Po River below Pavia. In Switzerland,...Coosa
(Encyclopedia)Coosa ko͞oˈsə [key], river, 286 mi (460 km) long, rising in NW Ga. and flowing SW through E Ala., joining the Tallapoosa near Montgomery, Ala., to form the Alabama River. Locks and dams make the ri...Kolar
(Encyclopedia)Kolar kōlärˈ [key], city (1991 pop. 83,287), Karnataka state, SW India. Manufactures include textiles and leather goods. Founded in the late 19th cent., Kolar was the center of the Indian gold-mini...Ptolemaïs, town, Greece
(Encyclopedia)Ptolemaïs ptôlĭmīsˈ [key], town (1991 pop. 25,195), N Greece, in Macedonia. It was a small market town until 1958, when it began to be developed as an industrial center. Lignite, mined there in v...Fleming, Sir John Ambrose
(Encyclopedia)Fleming, Sir John Ambrose, 1849–1945, English electrical engineer. He was a leader in the development of electric lighting, the telephone, and wireless telegraphy in England and the inventor of a th...water power
(Encyclopedia)water power, mechanical energy derived from falling or flowing water, e.g., rivers, streams, and the overflow of dams. The wooden water wheel, long utilized for driving machinery in flour mills and fa...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 +-
