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Système International d'Unités
(Encyclopedia)Système International d'Unités (SI): see International System of Units. ...sharecropping
(Encyclopedia)sharecropping, an agricultural system in which a landowner allows a tenant to use their land in return for a share of the crop produced. In the United S...peonage
(Encyclopedia)peonage pēˈənĭj [key], system of involuntary servitude based on the indebtedness of the laborer (the peon) to his creditor. It was prevalent in Spanish America, especially in Mexico, Guatemala, Ec...radio-frequency identification
(Encyclopedia)radio-frequency identification (RFID), a technology that uses radio waves to transmit data and uniquely identify an animal, person, or thing. An RFID system typically consists of a tag and a reader. T...blood transfusion
(Encyclopedia)blood transfusion, transfer of blood from one person to another, or from one animal to another of the same species. Transfusions are performed to replace a substantial loss of blood and as supportive ...New York State Barge Canal
(Encyclopedia)New York State Barge Canal: see New York State Canal System. ...periodic table
(Encyclopedia)CE5 periodic table, chart of the elements arranged according to the periodic law discovered by Dmitri I. Mendeleev and revised by Henry G. J. Moseley. In the periodic table the elements are arrange...Martin, William McChesney, Jr.
(Encyclopedia)Martin, William McChesney, Jr., 1906–98, U.S. banker, chairman of the Board of Governors of the Federal Reserve System (1951–70), b. St. Louis. After an early career as a stockbroker, Martin becam...Doudna, Jennifer Anne
(Encyclopedia)Doudna, Jennifer Anne, 1964–, American biochemist, b. Washington, D.C., Ph.D. Harvard Medical School, 1989. Doudna was a professor at Yale from 1994 to 2002, when she joined the faculty at the Univ....corporative state
(Encyclopedia)corporative state, economic system inaugurated by the Fascist regime of Benito Mussolini in Italy. It was adapted in modified form under other European dictatorships, among them Adolf Hitler's Nationa...Browse by Subject
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