Columbia Encyclopedia

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Columbia, river, Canada and the United States

(Encyclopedia)Columbia, river, c.1,210 mi (1,950 km) long, rising in Columbia Lake, SE British Columbia, Canada. It flows first NW in the Rocky Mt. Trench, then hooks sharply about the Selkirk Mts. to flow S throug...

Freetown

(Encyclopedia)Freetown, city (1995 est. pop. 519,500), capital of Sierra Leone, W Sierra Leone, a port on the Atlantic Ocean. Located on the Sierra Leone peninsula, Freetown is the nation's administrative, communic...

jettison

(Encyclopedia)jettison jĕtˈəsən, –zən [key] [O.Fr.,=throwing], in maritime law, casting all or part of a ship's cargo overboard to lighten the vessel or to meet some danger, such as fire. Such cargo, when fo...

embolus

(Encyclopedia)embolus ĕmˈbələs [key], foreign matter circulating in and obstructing a blood vessel. It may be a portion of a clot that has separated from the wall of a vessel (see thrombosis), a bubble of gas o...

angioplasty

(Encyclopedia)angioplasty ănˈjēōplăsˌtē [key], any surgical repair of a blood vessel, especially balloon angioplasty or percutaneous transluminal coronary angioplasty, a treatment of coronary artery disease....

London, Declaration of

(Encyclopedia)London, Declaration of, international code of maritime law, especially as related to war, proposed in 1909. The declaration grew largely out of the attempt at the second of the Hague Conferences to se...

Varna

(Encyclopedia)Varna värˈnä [key], city (1993 pop. 307,200), E Bulgaria, on the Black Sea. It is a major port and an industrial center. Manufactures include ships and boats, chemicals, electrical equipment, and t...

Rochefort

(Encyclopedia)Rochefort –sür-mĕr [key], city (1990 pop. 26,949), Charente-Maritime dept., W France, on the Charente River near the Bay of Biscay. It is a fishing port with shipyards and aircraft and machine ind...

Truxtun, Thomas

(Encyclopedia)Truxtun, Thomas, 1755–1822, American naval officer, b. near Hempstead, L.I., N.Y. In the American Revolution he won a name as a privateer, seizing many British prizes. Later he was a sea captain in ...

Cameron, Verney Lovett

(Encyclopedia)Cameron, Verney Lovett kămˈərən [key], 1844–94, English traveler in Africa. A naval officer, he served (1868) in the British expedition against Ethiopia and assisted in the suppression of the Ea...