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alkaline-earth metals
(Encyclopedia)alkaline-earth metals, metals constituting Group 2 of the periodic table. Generally, they are softer than most other metals, react readily with water (especially when heated), and are powerful reducin...butoh
(Encyclopedia)butoh [Jap.,=dance of darkness], avant-garde dance form developed in post–World War II Japan. First performed in 1959 by the dancers Tatsumi Hijikata (1928–86) and Kazuo Ohno (1906–2010), butoh ...Sellars, Peter
(Encyclopedia)Sellars, Peter, 1957–, American director, b. Pittsburgh, grad. Harvard (1981). A highly innovative director, he began his career with the Boston Shakespeare Co. (1983–84) and Washington's American...spectroscope
(Encyclopedia)spectroscope, optical instrument for producing spectral lines and measuring their wavelengths and intensities, used in spectral analysis (see spectrum). When a material is heated to incandescence it e...Roskilde
(Encyclopedia)Roskilde rôsˈkĭlə [key], city (1992 pop. 40,928), capital of Roskilde co., E Denmark, a port on the Roskilde Fjord (an arm of the Isefjord). Manufactures of this industrial city include processed ...Ridgway, Matthew Bunker
(Encyclopedia)Ridgway, Matthew Bunker, 1895–1993, U.S. general, b. Fort Monroe, Va. A West Point graduate, in World War II he was made (1942) assistant division commander and then commander of the 82d Infantry Di...humus
(Encyclopedia)humus hyo͞oˈməs [key], organic matter that has decayed to a relatively stable, amorphous state. It is an important biological constituent of fertile soil. Humus is formed by the decomposing action ...metronome
(Encyclopedia)metronome mĕˈtrənōmˌ [key], in music, originally pyramid-shaped clockwork mechanism to indicate the exact tempo in which a work is to be performed. It has a double pendulum whose pace can be alte...kithara
(Encyclopedia)kithara sĭthˈ– [key], musical instrument of the ancient Greeks. It was a plucked instrument, a larger and stronger form of the lyre, used by professional musicians both for solo playing and for th...Lachenmann, Helmut
(Encyclopedia)Lachenmann, Helmut, 1935–, German composer, b. Stuttgart. One of the most influential European composers of the late 20th and early 21st cents., he studied in Venice with Luigi Nono (1958–60) and ...Browse by Subject
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