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Pei, I. M.
(Encyclopedia)Pei, I. M. (Ieoh Ming Pei) pā [key], 1917–2019, Chinese-American architect, b. Guangzhou, China. Pei immigrated to the United States in 1935 and studied at the Univ. of Pennsylvania, the Massachuse...Fujita scale
(Encyclopedia)Fujita scale fo͞ojēˈtə, fo͞oˈjētə [key] or F-Scale, scale for rating the severity of tornadoes as a measure of the damage they cause, devised in 1951 by the Japanese-American meteorologist Tet...strength of materials
(Encyclopedia)strength of materials, measurement in engineering of the capacity of metal, wood, concrete, and other materials to withstand stress and strain. Stress is the internal force exerted by one part of an e...calcium
(Encyclopedia)calcium kălˈsēəm [key] [Lat.,=lime], metallic chemical element; symbol Ca; at. no. 20; at. wt. 40.078; m.p. about 839℃; b.p. 1,484℃; sp. gr. 1.55 at 20℃; valence +2. Calcium is a malleable, ...Helena
(Encyclopedia)Helena. 1 City (2020 pop. 20,633), Jefferson and Shelby cos., central Ala.; inc. 1877. White settlers began to occupy the area after the War of ...Montaigne, Michel Eyquem, seigneur de
(Encyclopedia)Montaigne, Michel Eyquem, seigneur de mŏntānˈ, Fr. mēshĕlˈ ākĕmˈ sānyörˈ də môNtĕnˈyə [key], 1533–92, French essayist. Montaigne was one of the greatest masters of the essay as a li...Lima, city, Peru
(Encyclopedia)Lima lēˈmə, Span. lēˈmä [key], city (1990 metropolitan area est. pop. 6,400,000), W Peru, capital and largest city of Peru. Its port is Callao. The Lima urban area is Peru's economic center and ...cluster munitions
(Encyclopedia)cluster munitions or cluster bombs, air-dropped or ground-launched weapons that open in mid-air and scatter dozens, hundreds, or thousands of smaller submunitions (or bomblets) over a wide area. Such ...pneumatic tool
(Encyclopedia)pneumatic tool no͝omătˈĭk [key], instrument activated by air pressure. Pneumatic tools are designed around three basic devices: the air cylinder, the vane motor, and the sprayer. The air cylinder ...Corpus Juris Civilis
(Encyclopedia)Corpus Juris Civilis kôrˈpəs jo͝oˈrĭs sĭvīˈlĭs [key], most comprehensive code of Roman law and the basic document of all modern civil law. Compiled by order of Byzantine Emperor Justinian I,...Browse by Subject
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