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hurricane

(Encyclopedia)CE5 View into the eye of a hurricane showing the structure of the surrounding cloud wall hurricane, tropical cyclone in which winds attain speeds greater than 74 mi (119 km) per hr. Wind speeds gu...

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 ...

Mailer, Norman

(Encyclopedia)Mailer, Norman (Norman Kingsley Mailer), 1923–2007, American writer, b. Long Branch, N.J., grad. Harvard, 1943. He grew up in Brooklyn, N.Y., served in the army during World War II, and at the age o...

Thatcher, Margaret Hilda Roberts Thatcher, Baroness

(Encyclopedia)Thatcher, Margaret Hilda Roberts Thatcher, Baroness, 1925–2013, British political leader. Great Britain's first woman prime minister, nicknamed the “Iron Lady” for her uncompromising political s...

anatomy

(Encyclopedia)anatomy ənătˈəmē [key], branch of biology concerned with the study of body structure of various organisms, including humans. Comparative anatomy is concerned with the structural differences of pl...