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atomic clock

(Encyclopedia)atomic clock, electric or electronic timekeeping device that is controlled by atomic or molecular oscillations. A timekeeping device must contain or be connected to some apparatus that oscillates at a...

censorship

(Encyclopedia)censorship, official prohibition or restriction of any type of expression believed to threaten the political, social, or moral order. It may be imposed by governmental authority, local or national, by...

Clarendon Code

(Encyclopedia)Clarendon Code, 1661–65, group of English statutes passed after the Restoration of Charles II to strengthen the position of the Church of England. The Corporation Act (1661) required all officers of...

Macarthur, Mary Reid

(Encyclopedia)Macarthur, Mary Reid, 1880–1921, British labor organizer, b. Glasgow, Scotland. Working in her father's draper's shop, she became prominent in the shop assistants' union. As the representative of th...

Tillett, Benjamin

(Encyclopedia)Tillett, Benjamin tĭlˈĭt [key], 1860–1943, English labor organizer, b. Bristol, England. With Tom Mann and John Burns, he led the dock strike of 1889, the first big step toward industrial unionis...

Jones, Mary Harris

(Encyclopedia)Jones, Mary Harris, 1830–1930, American labor agitator, called Mother Jones, b. Ireland. Interested in the labor movement for many years, she became active in it after the death of her husband and f...

Zhang Xianliang

(Encyclopedia)Zhang Xianliang jäng shyän-lyäng [key], 1936–, Chinese writer. During the 1957 antirightist campaign, the Chinese Communists judged his poetry deviant and sentenced him to prison in Ningxia. He w...

factory

(Encyclopedia)factory, place of production characterized by wage labor, the use of machinery, and the division of labor. The large-scale use of machinery differentiates factory production from simple manufacture, a...

Huron, city, United States

(Encyclopedia)Huron hyo͝orˈänˌ [key], city (2020 pop. 14,263), seat of Beadle co., E central S.Dak., on ...

Man o' War

(Encyclopedia)Man o' War, 1917–47, American racehorse, by Fair Play out of Mahubah, bred by August Belmont near Lexington, Ky., and owned by Samuel D. Riddle after 1918. A large reddish-colored colt capable of tr...