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electret
(Encyclopedia)electret, solid electrically insulating, or dielectric, material that has acquired a long-lasting electrostatic polarization. Electrets are produced by heating certain dielectric materials to a high t...Uniondale
(Encyclopedia)Uniondale, uninc. residential city (1990 pop. 20,328), Nassau co., SE N.Y., on Long Island. Downtown suburban growth since the 1970s has included construction of the Nassau Coliseum, home to the New Y...Placentia Bay
(Encyclopedia)Placentia Bay, c.100 mi (160 km) long and up to 80 mi (129 km) wide, SE Newfoundland, N.L., Canada. There are many fishing settlements and canneries along the shore. Placentia, established by the Fren...Sandy Island
(Encyclopedia)Sandy or Sable Island, Fr. Île de Sable, misreported island, New Caledonia, S Pacific, in the Coral Sea some 70 mi (110 km) E of the Chesterfield Islands. Long shown as a sizable island on marine cha...Red Deer, river, Canada
(Encyclopedia)Red Deer, river, 385 mi (620 km) long, rising in the Rocky Mts. in Banff National Park, SW Alta., Canada, and flowing NE past Red Deer city, then SE and E across the plains to the South Saskatchewan R...Malvern Hills
(Encyclopedia)Malvern Hills, range of hills, c.9 mi (14.5 km) long, W central England, in Herefordshire and Worcestershire. The highest points are the Worcester Beacon (1,395 ft/425 m) and the Hereford Beacon (1,11...Longhorn Cavern
(Encyclopedia)Longhorn Cavern, limestone cave, central Tex., at Burnet. On the northern edge of the Edwards Plateau, the cave (explored length c.8 mi/13 km) lies beneath a triangular ridge rising above the valley o...Deer Park
(Encyclopedia)Deer Park. 1 Uninc. village (2020 pop. 28,837), Babylon town, Suffolk co., SE N.Y., a primarily residential suburb on Long Island. 2 City ...Arctic Red River
(Encyclopedia)Arctic Red River, c.310 mi (500 km) long, rising in the Mackenzie Mts. of W Northwest Territories, Canada, and flowing generally NW to the Mackenzie River. At its mouth are a post of the Royal Canadia...Keene, Charles Samuel
(Encyclopedia)Keene, Charles Samuel, 1823–91, English pen-and-ink artist and caricaturist. In 1851 he began his long association with Punch, where the bulk of his work appeared. His drawings ranged from interesti...Browse by Subject
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