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panpipes

(Encyclopedia) CE5 Panpipes panpipes,&sp;Pandean pipesPandean pipespăndēˈən [key], or syrinxsyrinxsĭrˈĭngks [key], musical wind instrument, consisting of graduated tubes closed at one end and…

perestroika

(Encyclopedia) perestroikaperestroikapərˈĕstroyˈkə [key], Soviet economic and social policy of the late 1980s. Perestroika [restructuring] was the term attached to the attempts (1985–91) by Mikhail…

Shelekhov, Grigori Ivanovich

(Encyclopedia) Shelekhov, Grigori IvanovichShelekhov, Grigori Ivanovichgrĭgôˈrē ēväˈnəvĭch shĕˈlyĭkhəf [key], 1747–95, Russian fur trader in North America, b. Rylsk, Ukraine. He had built up a large…

stoa

(Encyclopedia) stoastoastōˈə [key], in ancient Greek architecture, an extended, roofed colonnade on a street or square. Early examples consisted of a simple open-fronted shed or porch with a roof…

salvage

(Encyclopedia) salvage, in maritime law, the compensation that the owner must pay for having his vessel or cargo saved from peril, such as shipwreck, fire, or capture by an enemy. Salvage is awarded…

Sampras, Pete

(Encyclopedia) Sampras, PeteSampras, Petesămˈprəs [key], 1971–, American tennis player, b. Washington, D.C. Learning the game in the Los Angeles area, he rose to world tennis supremacy after becoming…

pyroclastic flow

(Encyclopedia) pyroclastic flow, turbulent, fluidized mixture of rock, volcanic ash, and hot gas that moves like an avalanche away from a volcanic eruption. A pyroclastic flow may contain a mix of…

Nexø, Martin Andersen

(Encyclopedia) Nexø, Martin AndersenNexø, Martin Andersenmärˈtēn änˈdərsĕn nĕksö [key], 1869–1954, Danish novelist. Born one of 11 children in a Copenhagen slum, he spent his impoverished childhood…

Ngorongoro Crater

(Encyclopedia) Ngorongoro Crater, caldera in the Great Rift Valley, Arusha region, N Tanzania. It is one of the world's largest unbroken volcanic calderas, created in an eruption some 3 million years…

nicotiana

(Encyclopedia) nicotiananicotiananĭkōˌshēāˈnə [key], any plant of the genus Nicotiana of the family Solanaceae (nightshade family). Most species are herbs native to tropical America, although there…