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Tulun

(Encyclopedia)Tulun tŭlo͞onˈ [key] inhabited atoll, Papua New Guinea, SW Pacific, in the N Solomons Islands chain 45 mi (72 km) NE of Buka. Also known as the Carteret Islands, Carteret Atoll, and Kilinailau, the...

polybrominated biphenyl

(Encyclopedia)polybrominated biphenyl or PBB, any of a group of organic compounds used as a fire retardant. In 1973 several thousand pounds of PBB were accidentally mixed with livestock feed that was later distribu...

Puyehue–Cordón Caulle

(Encyclopedia)Puyehue–Cordón Caulle, volcanic complex, SE Chile, in the Andes Mts. within Puyehue National Park. The volcanic chain comprises (NW to SE) the Cordillera Nevada caldera (5,902 ft/1,799 m high), the...

Pennines

(Encyclopedia)Pennines pĕnˈīnz [key] or Pennine Chain, mountain range, sometimes called the “backbone of England,” extending c.160 mi (260 km) from the Cheviot Hills on the Scottish border to the Peak Distri...

histidine

(Encyclopedia)CE5 histidine hĭsˈtĭdēn [key], organic compound, one of the 22 α-amino acids commonly found in animal proteins. Only the l-stereoisomer appears in mammalian protein. Histidine is the direct pr...

Bernhard of Saxe-Weimar

(Encyclopedia)Bernhard of Saxe-Weimar săksˈ–wīˈmär, zäksˈə-vīˈmär [key], 1604–39, Protestant general in the Thirty Years War, duke of Weimar. Under Ernst von Mansfeld and the margrave of Baden, Bernh...

laburnum

(Encyclopedia)laburnum ləbûrˈnəm [key] or golden chain, small tree (Laburnum anagyroides) of the family Leguminosae (pulse family) with decorative dark green leaves and sprays of bright yellow flowers. It is na...

Kresge Foundation

(Encyclopedia)Kresge Foundation krĕsˈkē [key], fund established (1924) by retail chain store owner Sebastian S. Kresge (1867–1966) as a broad-purpose philanthropic institution. The foundation describes its pol...

Enewetak

(Encyclopedia)Enewetak, Enewetok, or Eniwetok ĕnĭwēˈtŏk, ĕnēˈwĕtôk [key], circular atoll, central Pacific, one of the Ralik Chain in the Marshall Islands. Enewetak is c.50 mi (80 km) in circumference and...

Palisades

(Encyclopedia)Palisades, cliffs along the west bank of the Hudson River, NE N.J. and SE N.Y., extending from N of Jersey City, N.J., to the vicinity of Piermont, N.Y., with a general altitude of from 350 ft to 550 ...