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aviation medicine

(Encyclopedia)aviation medicine, scientific study of the biological effects of aviation, especially on human beings. Although aviation medicine is concerned with such problems as the spread of diseases by persons t...

Oshkosh

(Encyclopedia)Oshkosh ŏshˈkŏshˌ [key], city (1990 pop. 55,006), seat of Winnebago co., E Wis., on Lake Winnebago where the Upper Fox River enters; inc. 1846. Its manufactures include automobile parts, wood prod...

Texas, University of

(Encyclopedia)Texas, University of, main campus at Austin; coeducational; state supported; chartered 1881, opened 1883. Medical facilities include health science centers with medical schools at Houston and San Anto...

Lusignan

(Encyclopedia)Lusignan lüzēnyäNˈ [key], French noble family. The name is derived from a castle in Poitou, built, according to legend, by Mélusine. The family was powerful in the Middle Ages and ruled (13th–1...

executive order

(Encyclopedia)executive order, in the United States, official document initiated and signed by the president containing directives concerning how the executive branch shall carry out its responsibilities under the ...

Legnica

(Encyclopedia)Legnica lĕgnēˈtsä [key], Ger. Liegnitz, city (1992 est. pop. 106,300), Dolnośląskie prov., SW Poland, on the Kaczawa River. A center of a vegetable-growing region, it also has manufactures of me...

Lens, city, France

(Encyclopedia)Lens läNs [key], city (1990 pop. 35,278), Pas-de-Calais dept., N France. During the 19th and 20th cent. it was one of the most important coal centers in N France, but its mines are now closed. Much o...

Lauenburg

(Encyclopedia)Lauenburg louˈənbo͝orkh [key], former duchy, NE central Germany, on the right bank of the lower Elbe. The duchy belonged to a branch of the house of Saxony from the 12th to the late 17th cent., whe...

Mojave Trails National Monument

(Encyclopedia)Mojave Trails National Monument, 1.6 million acres (647,000 hectares), SE California. Linking Joshua Tree National Park and Mojave National Preserve, it follows the trails of the Chemehuevi people, a ...

Montpelier, city, United States

(Encyclopedia)Montpelier mŏntpēlˈyər [key], city (1990 pop. 8,247), state capital (since 1805) and seat of Washington co., central Vt., at the junction of the Winooski and North Branch rivers; inc. 1855. The ec...