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Qatar

(Encyclopedia)CE5 Qatar or Katar both: kŭˈtər, gŭ–, kətärˈ [key], officially State of Qatar, independent emirate (2015 est. pop. 2,482,000), c.4,400 sq mi (11,400 sq km), E Arabia, coextensive with the ...

Quadros, Jânio da Silva

(Encyclopedia)Quadros, Jânio da Silva zhäˈnyo͝o dä sēlˈvə kwäˈdro͝os [key], 1917–92, president of Brazil (Jan.–Aug., 1961). A schoolteacher and lawyer, he served as mayor of the city of (1953–54) a...

quarrying

(Encyclopedia)quarrying, open, or surface, excavation of rock used for various purposes, including construction, ornamentation, road building, and as an industrial raw material. Rock that has been quarried is commo...

Quercy

(Encyclopedia)Quercy kĕrsēˈ [key], region and former county, SW France, now divided between Lot and Tarn-et-Garonne depts. Cahors is the chief city. It consists of arid limestone plateaus (causses), cut by ferti...

Balkenende, Jan Peter

(Encyclopedia)Balkenende, Jan Peter yän pāətûr bälˈkənĕndə [key], 1956–, Dutch political leader, prime minister of the Netherlands (2002–10), b. Kapelle. He attended the Free Univ. of Amsterdam, earnin...

Ohio, state, United States

(Encyclopedia)CE5 Ohio, midwestern state in the Great Lakes region of the United States. It is bordered by Pennsylvania (NE), West Virginia (SE) and Kentucky (S) across the Ohio River, Indiana (W), and Michigan ...

Ohio, river, United States

(Encyclopedia)Ohio, river, 981 mi (1,579 km) long, formed by the confluence of the Allegheny and Monongahela rivers in SW Pa., at Pittsburgh; it flows northwest, then generally southwest to enter the Mississippi Ri...

oil industry

(Encyclopedia)oil industry, the business of discovering oil (petroleum), extracting it from the ground, refining it into a variety of products, and distributing it to the public. The development of the oil industry...

Old Lyme

(Encyclopedia)Old Lyme līm [key], residential and resort town (1990 pop. 6,535), New London co., SE Conn., on Long Island Sound, at the mouth of the Connecticut River; settled c.1655, inc. 1855. Its noteworthy old...

olivine

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