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radiation

(Encyclopedia)radiation rāˌdēāˈshən [key], term applied to the emission and transmission of energy through space or through a material medium and also to the radiated energy itself. In its widest sense the te...

Arte Povera

(Encyclopedia)Arte Povera [Ital.,=poor art], influential art movement that arose in Italy in the late 1960s. It was championed by the Italian art critic Germano Celant, who also named (1967) the movement. It was ch...

noise pollution

(Encyclopedia)noise pollution, human-created noise harmful to health or welfare. Transportation vehicles are the worst offenders, with aircraft, railroad stock, trucks, buses, automobiles, and motorcycles all produ...

Atlantic City

(Encyclopedia)Atlantic City, city (2020 pop. 39,497), Atlantic co., SE N.J., an Atlantic resort and convention center; settled c.1790, inc. 1854. Situated on Absecon Island, a barrier island 10 mi (16.1...

maquiladoras

(Encyclopedia)maquiladoras mäkēˌlädōˈräs [key], Mexican assembly plants that manufacture finished goods for export to the United States. The maquiladoras are generally owned by non-Mexican corporations. They...

marathon race

(Encyclopedia)marathon race, long-distance foot race deriving its name from Marathon, Greece. According to legend, in 490 b.c., Pheidippides, a runner from Marathon, carried news of victory over the Persians to Ath...

Belém

(Encyclopedia)Belém pəräˈ [key], city, capital of Pará state, N Brazil, on the Pará River. Belém, th...

Yuma, city, United States

(Encyclopedia)Yuma yo͞oˈ mə [key], city (1990 pop. 54,923), seat of Yuma co., extreme SW Ariz., on the eastern bank of the Colorado River near the confluence of the Gila River; founded 1854, inc. as a city 1914....

Greenfield

(Encyclopedia)Greenfield <1> City (2020 pop. 18,937), Monterey co., SW Calif.; inc. 1947. Thirty-three miles SE of Salinas, the town was originally founded in 1...

Oklahoma City

(Encyclopedia)Oklahoma City (1990 pop. 444,719), state capital, and seat of Oklahoma co., central Okla., on the North Canadian River; inc. 1890. The state's largest city, it is an important livestock market, a whol...