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Vyborg

(Encyclopedia)Vyborg vĭˈbərk [key], Finnish Viipuri, Swed. Viborg, city (1989 pop. 81,000), NW European Russia, NW of St. Petersburg and near the Finnish border, on Vyborg Bay and the Gulf of Finland. A Baltic p...

Braille

(Encyclopedia)Braille brāl [key], in astronomy, a small asteroid notable because it has the same atypical geologic composition as the larger asteroid Vesta. In 1999 the space probe Deep Space 1 passed within 16 mi...

sphere

(Encyclopedia)sphere, in geometry, the three-dimensional analogue of a circle. The term is applied to the spherical surface, every point of which is the same distance (the radius) from a certain fixed point (the ce...

Carina

(Encyclopedia)Carina kərēˈnə [key] [Lat.,=the keel], southern constellation, representing the keel of the ancient constellation Argo Navis, or Ship of the Argonauts. Carina contains Canopus, the second brightes...

hydroplane

(Encyclopedia)hydroplane, small, high-powered racing boat designed to skim along the surface of the water. Its hull is so shaped that at high speeds the bow is tilted up out of the water, reducing the effect of fri...

Misti, El

(Encyclopedia)Misti, El ĕl mēˈstē [key], dormant volcano, c.19,150 ft (5,840 m) high, in the Cordillera Occidental, S Peru, rising over the city of Arequipa. El Misti is flanked by two other volcanos—on the N...

draft riots

(Encyclopedia)draft riots, in the American Civil War, mob action to protest unfair Union conscription. The Union Conscription Act of Mar. 3, 1863, provided that all able-bodied males between the ages of 20 and 45 w...

Dead Sea

(Encyclopedia)Dead Sea, salt lake, c.390 sq mi (1,010 sq km), extending c.45 mi (70 km) in the Jordan trough of the Great Rift Valley between the Ghor on the north and Wadi Arabah on the south, on the border betwee...

equilibrium

(Encyclopedia)CE5 Equilibrium equilibrium, state of balance. When a body or a system is in equilibrium, there is no net tendency to change. In mechanics, equilibrium has to do with the forces acting on a body. ...

Hawaii, island, United States

(Encyclopedia)Hawaii, island (2020 pop. 200, 629), 4,037 sq mi (10,456 sq km), largest and southernmost island of the state of Hawaii and coextensive with Hawaii co.;...