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Mannheim

(Encyclopedia)Mannheim mänˈhīm [key], city (1994 pop. 318,025), Baden-Württemberg, W central Germany, on the right bank of the Rhine River and at the mouth of the Neckar River. A bridge connects it with Ludwigs...

Etna

(Encyclopedia)Etna or Aetna both: ĕtˈnə [key], volcano, 10,958 ft (3,340 m) high, on the east coast of Sicily, S Italy. One of the most active volcanoes in the world, it also is the highest active volcano in Eur...

pontoon

(Encyclopedia)pontoon, one of a number of floats used chiefly to support a bridge, to raise a sunken ship, or to float a hydroplane or a floating dock. Pontoons have been built of wood, of hides stretched over wick...

Pietermaritzburg

(Encyclopedia)Pietermaritzburg pēˌtərmărˈĭtsbûrgˌ [key], city, part and seat of Msunduzi local municipality and capital of KwaZulu-Natal prov., E South Africa, in the foothills of the Drakensberg Range. The...

Newton, cities, United States

(Encyclopedia)Newton. 1 City (1990 pop. 16,700), seat of Harvey co., S central Kans., in an agricultural area; inc. 1872. It is a railroad division point with railroad shops and has a large mobile home industry in ...

Ulm

(Encyclopedia)Ulm o͝olm [key], city (1994 pop. 114,839), Baden-Württemberg, S Germany, on the Danube (Donau) River. It is an active river port, rail junction, and industrial center. Manufactures include motor veh...

Ulyanovsk

(Encyclopedia)Ulyanovsk o͞olyäˈnəfsk [key], city (1989 pop. 625,000), capital of Ulyanovsk region, W central European Russia, a port on the Volga and Svigaya rivers. It is a major rail and water transport cente...

rhodium

(Encyclopedia)rhodium rōˈdēəm [key], metallic chemical element; symbol Rh; at. no. 45; at. wt. 102.90550; m.p. about 1,966℃; b.p. 3,727±100℃; sp. gr. 12.41 at 20℃; valence +2, +3, +4, +5, or +6. Rhodium ...

paralysis

(Encyclopedia)paralysis or palsy pôlˈzē [key], complete loss or impairment of the ability to use voluntary muscles, usually as the result of a disorder of the nervous system. The nervous tissue that is injured m...

wind tunnel

(Encyclopedia)wind tunnel, apparatus for studying the interaction between a solid body and an airstream. A wind tunnel simulates the conditions of an aircraft in flight by causing a high-speed stream of air to flow...