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organ

(Encyclopedia)CE5 Organ organ, a musical wind instrument in which sound is produced by one or more sets of pipes controlled by a keyboard, each pipe producing only one pitch by means of a mechanically produced ...

McClellan, George Brinton

(Encyclopedia)McClellan, George Brinton, 1826–85, Union general in the American Civil War, b. Philadelphia. After graduating (1846) from West Point, he served with distinction in the Mexican War and later worked ...

Portuguese language

(Encyclopedia)CEE Portuguese language, member of the Romance group of the Italic subfamily of the Indo-European family of languages (see Romance languages). It is the mother tongue of about 170 million people, c...

Antietam campaign

(Encyclopedia)Antietam campaign ăntēˈtəm [key], Sept., 1862, of the Civil War. After the second battle of Bull Run, Gen. Robert E. Lee crossed the Potomac to invade Maryland and Pennsylvania. At Frederick, Md.,...

Stevens, Thaddeus

(Encyclopedia)Stevens, Thaddeus, 1792–1868, U.S. Representative from Pennsylvania (1849–53, 1859–68), b. Danville, Vt. He taught in an academy at York, Pa., studied law, and was admitted to the bar in Marylan...

Bristol, cities, United States

(Encyclopedia)Bristol. 1 Industrial city (2020 pop. 60,833), Hartford co., central Conn., on the Pequabuck River; settled 1727, inc. 1785. Its clock-making ...

radar

(Encyclopedia)radar, system or technique for detecting the position, movement, and nature of a remote object by means of radio waves reflected from its surface. Although most radar units use microwave frequencies, ...

sunspots

(Encyclopedia)sunspots, dark, usually irregularly shaped spots on the sun's surface that are actually solar magnetic storms. The spots are darker because the temperature of the spots is lower than that of the surro...

rugby, game

(Encyclopedia)rugby, game that originated (1823), according to tradition, on the playing fields of Rugby, England. It is related to both soccer and American football. The game is said to have started when a Rugby S...

Anabaptists

(Encyclopedia)Anabaptists ănˌəbăpˈtĭsts [key] [Gr.,=rebaptizers], name applied, originally in scorn, to certain Protestant sects holding that infant baptism is not authorized in Scripture and that baptism sho...