Columbia Encyclopedia

Search results

500 results found

power, electric

(Encyclopedia)power, electric, energy dissipated in an electrical or electronic circuit or device per unit of time. The electrical energy supplied by a current to an appliance enables it to do work or provide some ...

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...

Mendès-France, Pierre

(Encyclopedia)Mendès-France, Pierre pyĕr măNdĕsˈ-fräNs [key], 1907–82, French statesman. A lawyer and economist, he entered (1932) the chamber of deputies as a Radical Socialist. In World War II he was a pi...

Ashida, Hitoshi

(Encyclopedia)Ashida, Hitoshi, 1887–1959, Japanese politician. He studied law at Tokyo Imperial Univ. and worked in the ministry of foreign affairs before being elected to the Diet in 1932 as a member of the Seiy...

Tanaka, Kakuei

(Encyclopedia)Tanaka, Kakuei käko͞oˈā tänäˈkä [key], 1918–93, Japanese political leader and prime minister (1972–74). Born to a poor rural family, he moved to Tokyo at the age of 15 and by 1937 had esta...

Meighen, Arthur

(Encyclopedia)Meighen, Arthur mēˈən [key], 1874–1960, Canadian political leader, b. Ontario. A lawyer, he began his career in Manitoba. Entering (1908) the Canadian House of Commons as a Liberal-Conservative, ...

Napolitano, Giorgio

(Encyclopedia)Napolitano, Giorgio, 1925–, Italian political leader, b. Naples. He studied law at the Univ. of Naples, and was a member of the Communist party from 1945 until its dissolution in 1991, when he joine...

Browse by Subject