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resistance, in electricity

(Encyclopedia) resistance, property of an electric conductor by which it opposes a flow of electricity and dissipates electrical energy away from the circuit, usually as heat. Optimum resistance is…

aristocracy

(Encyclopedia) aristocracyaristocracyărˌĭstŏkˈrəsē [key] [Gr.,=rule by the best], in political science, government by a social elite. In the West the political concept of aristocracy derives from…

malleability

(Encyclopedia) malleability, property of a metal describing the ease with which it can be hammered, forged, pressed, or rolled into thin sheets. Metals vary in this respect; pure gold is the most…

Fries, John

(Encyclopedia) Fries, John, c.1750–1818, American rebel, b. Montgomery co., Pa. After serving in the American Revolution, Fries became a traveling auctioneer. Strongly opposed to the federal property…

Nicholas II, pope

(Encyclopedia) Nicholas II (c.1010–61), pope (1058–61), a Roman named Gerard, b. Lorraine, France; successor to Pope Stephen IX. A strong proponent of papal reform, he issued (1059) the Papal…

Lafargue, Paul

(Encyclopedia) Lafargue, PaulLafargue, Paulpôl läfärgˈ [key], 1842–1911, French socialist, b. Cuba; son-in-law of Karl Marx. With Jules Guesde he helped found a Marxist socialist party in France. His…

Goodwin Sands

(Encyclopedia) Goodwin Sands, stretch of shoals and sandbars, c.10 mi (20 km) long, lying off the east coast of Kent, SE England. It forms a breakwater E of The Downs, a roadstead. Shipwrecks were…

Terminus

(Encyclopedia) TerminusTerminustûrˈmĭnəs [key], in ancient Rome, both the boundary markers between properties and the name of the god who watched over boundaries. Property lines were of great…

Rodbertus, Karl Johann

(Encyclopedia) Rodbertus, Karl JohannRodbertus, Karl Johannkärl yōˈhän rôdbĕrˈt&oobreve;s [key], 1805–75, German economist and conservative socialist. He held several public offices but after…

chord, in music

(Encyclopedia) chord, in music, two or more simultaneously sounding pitches. In tonal music the fundamental chord is called the triad. It consists of three pitches, two a perfect fifth apart and a…