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North America

(Encyclopedia)CE5 North America, third largest continent (2015 est. pop. 571,949,000), c.9,400,000 sq mi (24,346,000 sq km), the northern of the two continents of the Western Hemisphere. North America includes a...

Conestoga wagon

(Encyclopedia)Conestoga wagon kŏnˌəstōˈgə [key], heavy freight-carrying vehicle of distinctive type that originated in the Conestoga region of Pennsylvania c.1725. It was used by farmers to carry heavy loads ...

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-similarity or s...

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 system designed to...

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 family of widely di...

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 commercial and touris...

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 The Boston Han...

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, and forward; femal...

Liguria

(Encyclopedia)Liguria lĭgo͝orˈēə, Ital. lēgo͞oˈryä [key], region (1991 pop. 1,676,282), 2,098 sq mi (5,434 sq km), NW Italy, extending along the Ligurian Sea and bordering France on the west. The generally...

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 marble area. Its ...