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olivine

(Encyclopedia) olivineolivineŏlĭvˈēn [key], an iron-magnesium silicate mineral, (Mg,Fe)2SiO4, crystallizing in the orthorhombic system. It is a common constituent of magnesium-rich, silica-poor…

garnet

(Encyclopedia) garnet, name applied to a group of isomorphic minerals crystallizing in the cubic system. They are used chiefly as gems and as abrasives (as in garnet paper). The garnets are double…

Equisetophyta

(Encyclopedia) EquisetophytaEquisetophytaĕkˌwəsətŏfˈətə [key], small division of the plant kingdom consisting of the plants commonly called horsetails and scouring rushes. Equisetum, the only living…

Garda, Lake

(Encyclopedia) Garda, LakeGarda, Lakegärˈdä [key], Ital. Lago di Garda or Benaco, largest lake of Italy, 143 sq mi (370 sq km), between Lombardy and Venetia, N Italy. It is c.32 mi (52 km) long, with…

Trent Canal

(Encyclopedia) Trent Canal, waterway system, 240 mi (386 km) long, S Ont., Canada, connecting Lake Ontario, from the Bay of Quinte, with Lake Huron at Georgian Bay; built 1833–48. It utilizes the…

Prespa, Lake

(Encyclopedia) Prespa, LakePrespa, Lakeprĕsˈpä [key], Albanian Prespës, Macedonian Prespansko, 112 sq mi (290 sq km), SW North Macedonia, NW Greece, and E Albania; highest lake (alt. 2,798 ft/853 m)…

Onondaga Lake

(Encyclopedia) Onondaga LakeOnondaga Lakeŏnəndäˈgə, –dôˈ– [key], brackish lake, 5 mi (8 km) long and 1 mi (1.6 km) wide, central N.Y., NW of Syracuse. In 1654, Father LeMoyne, a missionary, was taken…

Wisconsin

  Wisconsin State Information Capital: Madison Official Name: State of Wisconsin Organized as a territory/republic: July 4, 1836 Entered Union (rank): May 29, 1848 (30) Present constitution…

Wallenstadt, Lake of

(Encyclopedia) Wallenstadt, Lake ofWallenstadt, Lake ofvälˈənshtätˌ [key], Ger. Walensee or Wallensee, narrow mountain lake, c.9 sq mi (23 sq km), between St. Gall and Glarus cantons, E Switzerland.…

bird of paradise

(Encyclopedia) bird of paradise, common name for any of 43 species of medium- to crow-sized passerine birds of New Guinea and the adjacent islands, known for the bright plumage, elongated tail…