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graphite
(Encyclopedia)graphite grăfˈīt [key], an allotropic form of carbon, known also as plumbago and black lead. It is dark gray or black, crystalline (often in the form of slippery scales), greasy, and soft, with a m...Huntington, Collis Potter
(Encyclopedia)Huntington, Collis Potter, 1821–1900, American railroad builder, b. near Torrington, Conn. A storekeeper of Oneonta, N.Y., before he went West in the gold rush of 1849, he became a storekeeper in Ca...opal
(Encyclopedia)opal ōˈpəl [key], a mineral consisting of poorly crystalline to amorphous silica, SiO2·nH2O; the water content is quite variable but usually ranges from 3% to 10%. Common opal is usually colorless...Bland, Richard Parks
(Encyclopedia)Bland, Richard Parks, 1835–99, American statesman, b. near Hartford, Ky. He taught in rural schools in Kentucky and Missouri before he went to the gold fields of California in 1855. He was a prospec...The Dalles
(Encyclopedia)The Dalles dălz [key], city (1990 pop. 11,060), seat of Wasco co., N Oreg., on the Columbia River; inc. 1857. It is a busy inland port; ships passing through the locks at Bonneville Dam (c.50 mi/80 k...Ledyard
(Encyclopedia)Ledyard lĕdˈyərd [key], town (1990 pop. 14,913), New London co., SE Conn., on the Thames River; settled c.1653, inc. 1836. It is a farm center. The site of Fort Decatur is marked there. A gambling ...Bryan
(Encyclopedia)Bryan, city (2020 pop. 83,980), seat of Brazos co., E central Tex.; inc. 1872. Settled in the early 19th cent. in an area of large plantations, Bryan wa...exchange
(Encyclopedia)exchange, mutual transfer of goods, money, services, or their equivalents; also the marketplace where such transfer occurs, such as a stock exchange or a commodity exchange (see commodity market). In ...Macron, Emmanuel Jean-Michel Frédéric
(Encyclopedia)Macron, Emmanuel Jean-Michel Frédéric, 1977–, French political leader and banker, president of France (2017–), b. Amiens, grad. Univ. of Paris Nanterre (2001), Paris Institute of Political Studi...Knight, Frank Hyneman
(Encyclopedia)Knight, Frank Hyneman, 1885–1972, American economist, b. McLean County, Ill., Ph.D. Cornell, 1916. He taught economics at the Univ. of Chicago (1927–62). Knight's most influential work was his fir...Browse by Subject
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