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stratification
(Encyclopedia)stratification (Lat.,=made in layers), layered structure formed by the deposition of sedimentary rocks. Changes between strata are interpreted as the result of fluctuations in the intensity and persis...Reynolds number
(Encyclopedia)Reynolds number [for Osborne Reynolds], dimensionless quantity associated with the smoothness of flow of a fluid. It is an important quantity used in aerodynamics and hydraulics. At low velocities flu...Mitchell, Joan
(Encyclopedia)Mitchell, Joan, 1926–92, American abstract painter, b. Chicago, studied Smith College, Art Institute of Chicago (B.F.A., 1947; M.F.A., 1950). A vibrant colorist, she was one of the finest painters o...air mass
(Encyclopedia)air mass, large body of air within the earth's atmosphere in which temperature and humidity, although varying at different heights, remain similar throughout the body at any one height. Air masses for...Nayarit
(Encyclopedia)Nayarit näyärētˈ [key], state (1990 pop. 824,643), 10,547 sq mi (27,317 sq km), W Mexico, on the Pacific Ocean. Tepic is the capital. Mostly wild and rugged, Nayarit is broken by western spurs of ...physical chemistry
(Encyclopedia)physical chemistry, branch of science that combines the principles and methods of physics and chemistry. It provides a fundamental theoretical and experimental basis for all of chemistry, including or...debt
(Encyclopedia)debt, obligation in services, money, or goods owed by one party, the debtor, to another, the creditor. When contested, debts are collected by a civil suit upon which the judge renders a judgment, and ...weather balloon
(Encyclopedia)weather balloon, balloon used in the measurement and evaluation of mostly upper atmospheric conditions (see atmosphere). Information may be gathered during the vertical ascent of the balloon through t...Greenspan, Alan
(Encyclopedia)Greenspan, Alan, 1926–, American economist, chairman of the Federal Reserve Board (1987–2006), b. New York City. Influenced by the philosophy of Ayn Rand, Greenspan is a strong supporter of the fr...Indus
(Encyclopedia)Indus ĭnˈdəs [key], chief river of Pakistan, c.1,900 mi (3,060 km) long, rising in the Kailas range in the Tibetan Himalayas, and flowing NW across Ladakh, India, then SW through Pakistan to the Ar...Browse by Subject
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