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Orkney Islands

(Encyclopedia)Orkney Islands, archipelago and council area (1991 pop. 19,650), 376 sq mi (974 sq km), N Scotland, consisting of about 70 islands in the Atlantic Ocean and the North Sea, N of Scottish mainland acros...

modern dance

(Encyclopedia)modern dance, serious theatrical dance forms that are distinct from both ballet and the show dancing of the musical comedy or variety stage. By the late 20th cent., distinctions among modern da...

Free-Soil party

(Encyclopedia)Free-Soil party, in U.S. history, political party that came into existence in 1847–48 chiefly because of rising opposition to the extension of slavery into any of the territories newly acquired from...

Grey, Lady Jane

(Encyclopedia)Grey, Lady Jane, 1537–54, queen of England for nine days. She was the daughter of Henry Grey, marquess of Dorset (later duke of Suffolk), and Frances Brandon, daughter of Henry VIII's sister Mary. S...

owl

(Encyclopedia)owl, common name for nocturnal birds of prey found on all continents. Owls superficially resemble short-necked hawks, except that their eyes are directed forward and are surrounded by disks of radiati...

Pessoa, Fernando

(Encyclopedia)Pessoa, Fernando (Fernando António Nogueira Pessoa) pĕsˈwä [key], 1888–1935, Portuguese poet, b. Lisbon. He moved to Durban, South Africa, as a child, becoming bilingual (Portuguese, English); i...

Doniphan, Alexander William

(Encyclopedia)Doniphan, Alexander William dŏnˈĭfən [key], 1808–87, American lawyer and soldier, b. Mason co., Ky. He began (1830) to practice law in Lexington, Mo., and served three terms in the state legisla...

complex variable analysis

(Encyclopedia)complex variable analysis, branch of mathematics that deals with the calculus of functions of a complex variable, i.e., a variable of the form z=x+iy, where x and y are real and i=−1 (see number). A...

Daley, Richard Joseph

(Encyclopedia)Daley, Richard Joseph, 1902–76, U.S. political leader, b. Chicago. Admitted to the bar in 1933, he entered politics and served as a Democrat in the state assembly (1936–38) and the state senate (1...

fullerene

(Encyclopedia)fullerene, any of a class of carbon molecules in which the carbon atoms are arranged into 12 pentagonal faces and 2 or more hexagonal faces to form a hollow sphere, cylinder, or similar figure. The sm...