Columbia Encyclopedia

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lock and key

(Encyclopedia)lock and key, fastening fitted to an entryway, such as a gate or door, or a container, such as a cabinet, drawer or safe, to keep it closed and/or prevent unauthorized access or use. Locks typically c...

Masters and Johnson

(Encyclopedia)Masters and Johnson, pioneering research team in the field of human sexuality, consisting of the gynecologist William Howell Masters, 1915–2001, b. Cleveland, and the psychologist Virginia Eshelman ...

Hopkins, Esek

(Encyclopedia)Hopkins, Esek, 1718–1802, American Revolutionary naval hero, b. Scituate, R.I.; brother of Stephen Hopkins. He commanded a privateer in the French and Indian War, and in Dec., 1775, he was appointed...

pre-Columbian art and architecture

(Encyclopedia)pre-Columbian art and architecture, works of art and structures created in Central and South America before the arrival of Europeans in the Western Hemisphere. For many years the regions that are now ...

Bolshevism and Menshevism

(Encyclopedia)Bolshevism and Menshevism bōlˈshəvĭzəm, bŏlˈ–, mĕnˈshəvĭzəm [key], the two main branches of Russian socialism from 1903 until the consolidation of the Bolshevik dictatorship under Lenin ...

executors and administrators

(Encyclopedia)executors and administrators. An executor is the person designated in the will of a deceased person to carry out the provisions of the will. An administrator is the person appointed by a probate court...

Caterham and Warlingham

(Encyclopedia)Caterham and Warlingham kāˈtərəm, wôrˈlĭng-əm [key], town, Surrey, SE England...

revolution

(Encyclopedia)revolution, in a political sense, fundamental and violent change in the values, political institutions, social structure, leadership, and policies of a society. The totality of change implicit in this...

Walton and Weybridge

(Encyclopedia)Walton and Weybridge wāˈbrĭj [key], city (19981 pop. 50,031), Surrey, SE England. It is largely a residential suburb of London. There is market gardening, an aircraft works, and other industries. ...

supply and demand

(Encyclopedia)supply and demand, in classical economics, factors that are said to determine price, by correlating the amount of a given commodity producers hope to sell at a certain price (supply), and the amount o...