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newton, unit of measure

(Encyclopedia)newton, abbr. N, unit of force in the mks system of units, which is based on the metric system; it is the force that produces an acceleration of 1 meter per second per second when exerted on a mass of...

tone

(Encyclopedia)tone. In music, a tone is distinguished from noise by its definite pitch, caused by the regularity of the vibrations which produce it. Any tone possesses the attributes of pitch, intensity, and qualit...

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 ...

president

(Encyclopedia)president, in modern republics, the chief executive and, therefore, the highest officer in a government. Many nations of the world, including the United States, France, Germany, India, and the majorit...

Russell, John Russell, 1st Earl

(Encyclopedia)Russell, John Russell, 1st Earl, 1792–1878, British statesman; younger son of the 6th duke of Bedford, known most of his life as Lord John Russell. He became a Whig member of Parliament in 1813 and ...

Colón, city, Panama

(Encyclopedia)Colón, city, Panama, at the Caribbean end of the Panama Canal. Colón, the second largest city in Panama, was surrounded by, but not part of, the forme...

Hainan

(Encyclopedia)Hainan hīˈnänˈ [key], island and province, c.13,100 sq mi (33,940 sq km), China, in the S...

Kuznetsk Basin

(Encyclopedia)Kuznetsk Basin, coal basin, c.10,000 sq mi (25,900 sq km), W Siberian Russia, between the Kuznetsk Alatau and the Salair Ridge. Its abbreviated name is Kuzbas. With extensive coal deposits, particular...

Monterrey

(Encyclopedia)Monterrey mōntārāˈ [key], city (1990 pop. 1,068,996), capital of Nuevo León state, NE Mexico, the third largest city of Mexico. Located c.150 mi (240 km) S of Laredo, Tex., in a valley surrounded...

Lepidus

(Encyclopedia)Lepidus lĕpˈĭdəs [key], family of the ancient Roman patrician gens Aemilia. Marcus Aemilius Lepidus, d. 152 b.c., was a consul in 187 and 175 b.c., a censor in 179 b.c., and pontifex maximus [high...