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division, in mathematics
(Encyclopedia) division, fundamental operation in arithmetic; the inverse of multiplication. Division may be indicated by the symbol ÷, as in 15 ÷ 3, or simply by a fraction, 15/3. The number that is…aqueduct
(Encyclopedia) aqueductaqueductăkˈwədŭkt [key] [Lat.,=conveyor of water], channel or trough built to convey water, chiefly for providing a densely populated region with a supply of freshwater. The…phonology
(Encyclopedia) phonology, study of the sound systems of languages. It is distinguished from phonetics, which is the study of the production, perception, and physical properties of speech sounds;…adsorption
(Encyclopedia) adsorption, adhesion of the molecules of liquids, gases, and dissolved substances to the surfaces of solids, as opposed to absorption, in which the molecules actually enter the…catalyst
(Encyclopedia) catalyst, substance that can cause a change in the rate of a chemical reaction without itself being consumed in the reaction; the changing of the reaction rate by use of a catalyst is…sampler
(Encyclopedia) sampler, sample piece of needlework or embroidery, of silk, cotton, or worsted, for the preservation of some pattern or as an example of the ability of a child or a beginner. In…prelude
(Encyclopedia) preludepreludeprāˈl&oomacr;d [key], musical composition of no universal style, usually for the keyboard. It was originally used to precede a ceremony and later a second, often…Tempe, Vale of
(Encyclopedia) Tempe, Vale of, Gr. Témbi, valley, c.5 mi (8 km) long, E central Greece, NE Thessaly, between Mt. Olympus and Mt. Óssa. Traversed by the Piniós River, the valley is famous for its…tendon
(Encyclopedia) tendon, tough cord composed of closely packed white fibers of connective tissue that serves to attach muscles to internal structures such as bones or other muscles. Sometimes when the…Kristianstad
(Encyclopedia) KristianstadKristianstadkrĭstyänˈstäd [key], city (1990 pop. 31,310), SE Sweden, on the Helge River. Its nearby seaport, Åhus, is on the Baltic Sea. Kristianstad is a commercial and…Trending
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