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fractal geometry

(Encyclopedia) fractal geometry, branch of mathematics concerned with irregular patterns made of parts that are in some way similar to the whole, e.g., twigs and tree branches, a property called self…

goosefoot

(Encyclopedia) CE5 Lamb's-quarters Chenopodium album, a member of the goosefoot family goosefoot, common name for the genus Chenopodium, as well as for the goosefoot family, Chenopodiaceae, a…

instrument-landing system

(Encyclopedia) CE5 Instrument-landing system (ILS), the most common instrument-landing approach system, uses two beams to guide an airplane. instrument-landing system (ILS), ground-based radio…

Mason, Lowell

(Encyclopedia) Mason, Lowell, 1792–1872, American composer and music educator, b. Medfield, Mass. While working as a bank clerk in Savannah, Ga., he helped compile an anthology that was published as…

marsh antelope

(Encyclopedia) marsh antelope, name for members of a group of deerlike African antelopes, usually found in reeds or tall grasses near water. The males of this group have horns that curve back, up,…

Liguria

(Encyclopedia) LiguriaLigurialĭg&oobreve;rˈēə, Ital. lēg&oomacr;ˈryä [key], region (1991 pop. 1,676,282), 2,098 sq mi (5,434 sq km), NW Italy, extending along the Ligurian Sea and bordering…

Knoxville

(Encyclopedia) Knoxville, city (1990 pop. 165,121), seat of Knox co., E Tenn., on the Tennessee River; inc. 1876. A port of entry, it is a trade and shipping center for a farm, bituminous-coal, and…

catastrophism

(Encyclopedia) catastrophismcatastrophismkətăsˈtrəfĭzəm [key], in geology, the doctrine that at intervals in the earth's history all living things have been destroyed by cataclysms (e.g., floods or…

Tamaulipas

(Encyclopedia) TamaulipasTamaulipastämoulēˈpäs [key], state (1990 pop. 2,249,581), 30,734 sq mi (79,601 sq km), NE Mexico, on the Gulf of Mexico. Ciudad Victoria is the capital. The central and…

Oaxaca, city, Mexico

(Encyclopedia) Oaxaca, city (1990 pop. 212,818), capital of Oaxaca state, S Mexico. The city is officially called Oaxaca de Juárez. Situated in a valley encircled by low mountains, Oaxaca is a…