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Rostenkowski, Dan

(Encyclopedia)Rostenkowski, Dan (Daniel David Rostenkowski) rŏsˌtənkouˈskē [key], 1928–2010, U.S. congressman, b. Chicago, grad. Loyola Univ. (1951). A Democrat, he was first elected as a U.S. representative...

Saluki

(Encyclopedia)Saluki səlo͞oˈkē [key], breed of tall, slender hound whose origins may be traced back to the Sumerian empire of 6000 b.c. It stands between 23 and 28 in. (58.4–71.1 cm) high at the shoulder, alt...

tobogganing

(Encyclopedia)tobogganing, sport of coasting down snowy hillsides or chutes on a toboggan, a flat-bottomed vehicle made of hard wood. The toboggan, typically measuring 1.5 ft by 6–8 ft (.46 m by 1.8–2.4 m), is ...

Riyadh

(Encyclopedia)Riyadh or Riad both: rēädˈ [key], city (1997 est. pop. 3,000,000), capital and largest city of Saudi Arabia, in the Nejd, central Saudi Arabia. It is situated in an oasis, c.240 mi (390 km) inland ...

Nujoma, Sam

(Encyclopedia)Nujoma, Sam (Samuel Daniel Shafiishuna Nujoma) no͞oyōˈmä [key], 1929–, Namibian political leader. A railway worker in what was then the South African mandate of South West Africa, Nujoma became ...

backswimmer

(Encyclopedia)backswimmer, common name for water bugs of the cosmopolitan family Notonectidae, so named because they swim upside down, usually near the surface of the water. They have oval bodies and long, oarlike ...

oscilloscope

(Encyclopedia)oscilloscope əsĭlˈəskōpˌ [key], electronic device used to produce visual displays corresponding to electrical signals. Displays of such nonelectrical phenomena as the variations of a sound's int...

nitrocellulose

(Encyclopedia)nitrocellulose, nitric acid ester of cellulose (a glucose polymer). It is usually formed by the action of a mixture of nitric and sulfuric acids on purified cotton or wood pulp. The extent of nitratio...

Varangians

(Encyclopedia)Varangians vərănˈjēənz [key], name given by Slavs and Byzantine Greeks to Scandinavians who began to raid the eastern shores of the Baltic and penetrate Eastern Europe by the 9th cent. Their lead...

William the Lion

(Encyclopedia)William the Lion, 1143–1214, king of Scotland (1165–1214), brother and successor of Malcolm IV. Determined to recover Northumbria (lost to England in 1157), he supported the rebellion (1173–74) ...