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promethium
(Encyclopedia)promethium prōmēˈthēəm [key], artificially produced radioactive chemical element; symbol Pm; at. no. 61; mass no. of most stable isotope 145; m.p. 1,042℃; b.p. 3,000℃ (estimated); sp. gr. unk...Caravaggio, Michelangelo Merisi da
(Encyclopedia)Caravaggio, Michelangelo Merisi da äˌmārēˈjē [key], 1571–1610, Italian painter. His surname, Caravaggio, came from his birthplace. After an apprenticeship in Milan, he arrived (1592) in Rome w...Orwell, George
(Encyclopedia)Orwell, George, pseud. of Eric Arthur Blair, 1903–50, British novelist and essayist, b. Bengal, India. He is best remembered for his scathingly satirical and frighteningly political novels, Animal F...Pius XII
(Encyclopedia)Pius XII, 1876–1958, pope (1939–58), an Italian named Eugenio Pacelli, b. Rome; successor of Pius XI. Ordained a priest in 1899, he entered the Vatican's secretariat of state. He became (1912) und...Medici, Lorenzo de', 1449–92, Italian merchant prince
(Encyclopedia)Medici, Lorenzo de' dā mĕˈdĭchē, Ital. māˈdēchē [key], 1449–92, Italian merchant prince, called Lorenzo il Magnifico [the magnificent]. He succeeded (1469) his father, Piero de' Medici, as...Italian literature
(Encyclopedia)Italian literature, writings in the Italian language, as distinct from earlier works in Latin and French. In the second half of the 19th cent. Francesco De Sanctis, literary critic and historian, la...Gonzaga
(Encyclopedia)Gonzaga gōntsäˈgä [key], Italian princely house that ruled Mantua (1328–1708), Montferrat (1536–1708), and Guastalla (1539–1746). The family name is derived from the castle of Gonzaga, a vil...Turner, Joseph Mallord William
(Encyclopedia)Turner, Joseph Mallord William, 1775–1851, English landscape painter, b. London. Turner was the foremost English romantic painter and the most original of English landscape artists; in watercolor he...differential geometry
(Encyclopedia)differential geometry, branch of geometry in which the concepts of the calculus are applied to curves, surfaces, and other geometric entities. The approach in classical differential geometry involves ...bridge, structure
(Encyclopedia)CE5 Bridges bridge, structure built over water or any obstacle or depression to allow the passage of pedestrians or vehicles. See also viaduct. In wartime, where the means of crossing a stream o...Browse by Subject
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