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roof

(Encyclopedia)roof, overhead covering of a building with its framework support. Various methods of construction, such as are suited to different climates, have diversified exterior and interior architectural effect...

Turgot, Anne Robert Jacques

(Encyclopedia)Turgot, Anne Robert Jacques än rōbĕrˈ zhäk türgōˈ [key], 1727–81, French economist, comptroller general of finances (1774–76). The son of a rich merchant, he showed precocious ability at s...

Tripolitan War

(Encyclopedia)Tripolitan War trĭpŏlˈĭtən [key], 1800–1815, conflict between the United States and the Barbary States. Piracy had become a normal source of income in the N African Barbary States long before t...

Jansen, Cornelis

(Encyclopedia)Jansen, Cornelis kôrnāˈlĭs yänˈsən [key], 1585–1638, Dutch Roman Catholic theologian. He studied at the Univ. of Louvain and became imbued with the idea of reforming Christian life along the ...

Drake, Sir Francis

(Encyclopedia)Drake, Sir Francis, 1540?–1596, English navigator and admiral, first Englishman to circumnavigate the world (1577–80). In 1585, Drake commanded a fleet that sacked Vigo in Spain and burned São ...

El Niño–Southern Oscillation

(Encyclopedia)El Niño–Southern Oscillation (ENSO) ĕl nēnˈyō [key], large-scale climatic fluctuation of the tropical Pacific Ocean and the overlying atmosphere. The El Niño [Span.,=the child] is the South Am...

tsunami

(Encyclopedia)tsunami tso͝onäˈmē [key], series of catastrophic ocean waves generated by submarine movements, which may be caused by earthquakes, volcanic eruptions, landslides beneath the ocean, or an asteroid ...

Persian Wars

(Encyclopedia)Persian Wars, 500 b.c.–449 b.c., series of conflicts fought between Greek states and the Persian Empire. The writings of Herodotus, who was born c.484 b.c., are the great source of knowledge of the ...

New Orleans

(Encyclopedia)New Orleans ôrˈlēənz –lənz, ôrlēnzˈ [key], city (2006 pop. 187,525), coextensive with Orleans parish, SE La., between the Mississippi River and Lake Pontchartrain, 107 mi (172 km) by water f...

Houston

(Encyclopedia)Houston, city (2020 pop. 2,304,580), seat of Harris co., SE Tex., a deepwater port on the Houston Ship Channel; inc. 1837. Harrisburg (now part of Hou...