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Pembroke, Mary Herbert, countess of

(Encyclopedia)Pembroke, Mary Herbert, countess of, 1561–1621; sister of Sir Philip Sidney. His Arcadia was written for her, and after his death she prepared it and his other works for publication. Patron of a num...

East Siberian Sea

(Encyclopedia)East Siberian Sea, Rus. Vostochno-Sibirskoye More, part of the Arctic Ocean N of NE Siberia, Russia, bounded on the W by the New Siberian Islands and on the E by Wrangel Island. The Indigirka, Kolyma,...

Chukchi Sea

(Encyclopedia)Chukchi Sea chəkˈchē [key], part of the Arctic Ocean N of the Bering Strait, between Siberia and Alaska, Wrangell Island lies to the west and the Beaufort Sea lies to the east. The sea has an appro...

Calgary, University of

(Encyclopedia)Calgary, University of, at Calgary, Alta., Canada; coeducational; provincially supported; founded 1945 as a branch of the Univ. of Alberta. It gained full autonomy in 1966. It has faculties of educati...

Peary Land

(Encyclopedia)Peary Land, peninsula, N Greenland, extending into the Arctic Ocean. It terminates in Cape Bridgman in the northeast and Cape Morris Jesup in the north, the most northerly point of land yet discovered...

crank

(Encyclopedia)crank, mechanical linkage consisting of a bar attached to a pivot at one of its ends in such a way that it is capable of rotating through a complete circle about the pivot. One of the principal uses o...

Sackville, Charles, 6th earl of Dorset

(Encyclopedia)Sackville, Charles, 6th earl of Dorset, 1638–1706, English poet and courtier. After the restoration, he became a member of the intimate circle of young rakes and wits at the court of Charles II, wri...

conic section

(Encyclopedia)CE5 Conic sections conic section or conic kŏnˈĭk [key], curve formed by the intersection of a plane and a right circular cone (conical surface). The ordinary conic sections are the circle, the ...

curve

(Encyclopedia)curve, in mathematics, a line no part of which is straight; more generally, it is considered to be any one-dimensional collection of points, thus including the straight line as a special kind of curve...

altazimuth coordinate system

(Encyclopedia)altazimuth coordinate system ăltăzˈəməth [key] or horizon coordinate system, astronomical coordinate system in which the position of a body on the celestial sphere is described relative to an obs...