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pressure

(Encyclopedia)pressure, in mechanics, ratio of the force acting on a surface to the area of the surface; it is thus distinct from the total force acting on a surface. A force can be applied to and sustained by a si...

North Bay

(Encyclopedia)North Bay, city (1991 pop. 55,405), SE Ont., Canada, on Lake Nipissing. It is the transportation and commercial center of lumbering and mining districts and a popular summer resort. Mining equipment i...

Albuquerque

(Encyclopedia)Albuquerque ălˈbəkûrˌkē [key], city (2020 pop. 564,559), seat of Bernalillo co., W central N.Mex., on the upper Rio Grande; inc. 1890. The largest city in the state,...

Montgomery, city, United States

(Encyclopedia)Montgomery, city (1990 pop. 187,106), state capital and seat of Montgomery co., E central Ala., near the head of navigation on the Alabama River just below the confluence of the Coosa and Tallapoosa r...

Kwajalein

(Encyclopedia)Kwajalein kwäˈjälān, –lēn, –lĭn [key], coral atoll, 6.5 sq mi (16.8 sq km), central Pacific, in the Ralik Chain of the Marshall Islands. The largest atoll of the Marshalls, Kwajalein, consis...

Sahl, Mort

(Encyclopedia) Sahl, Mort, 1927-2021, American comedian and social commentator, b. Montreal, Canada, as Morton Lyon Sahl, Univ. of Southern Calirofnia (B.A., 1950). ...

Recife

(Encyclopedia)Recife rəsēˈfĭ [key] [Port.,=reef], city (1991 pop. 1,298,229), capital of Pernambuco state, NE Brazil, a port on the Atlantic Ocean. It is also called Pernambuco by foreigners. The chief urban ce...

Symington, William Stuart

(Encyclopedia)Symington, William Stuart, 1901–88, U.S. senator (1953–76), b. Amherst, Mass. He interrupted a successful business career in 1941 to accept a War Department assignment involving a study of airplan...

Dienbienphu

(Encyclopedia)Dienbienphu or Dien Bien Phu dyĕnˈbyĕnˈfo͞oˈ [key], former French military base, N Vietnam, near the Laos border. It was the scene in 1954 of the last great battle between the French and the Vie...

Bunsen burner

(Encyclopedia)Bunsen burner, gas burner, commonly used in scientific laboratories, consisting essentially of a hollow tube which is fitted vertically around the flame and which has an opening at the base to admit a...