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Agassiz, Lake

(Encyclopedia)Agassiz, Lake ăgˈəsē [key], glacial lake of the Pleistocene epoch, c.700 mi (1,130 km) long, 250 mi (400 km) wide, formed by the melting of the continental ice sheet beginning some 14,000 years ag...

Beaumont

(Encyclopedia)Beaumont, city (2020 pop. 115,282), seat of Jefferson co., Tex., on the Sabine-Neches Waterway; inc. 1838. A ship channel provides the facilities of a m...

thrombosis

(Encyclopedia)thrombosis thrŏmbōˈsĭs [key], obstruction of an artery or vein by a blood clot (thrombus). Arterial thrombosis is generally more serious because the supply of oxygen and nutrition to an area of th...

rustication

(Encyclopedia)rustication rŭstĭkāˈshən [key], in building construction, method of creating textures upon masonry wall surfaces, chiefly upon those of stone, by projecting the blocks beyond the surface of the m...

Santa Barbara

(Encyclopedia)Santa Barbara sănˌtə bärˈbrə, –bərə [key], city (1990 pop. 85,571), seat of Santa Barbara co., S Calif., on the Pacific Ocean; inc. 1850. A beautiful residential and resort city with many re...

erosion

(Encyclopedia)erosion ĭrōˈzhən [key], general term for the processes by which the surface of the earth is constantly being worn away. The principal agents are gravity, running water, near-shore waves, ice (most...

Rio Grande, river, United States and Mexico

(Encyclopedia)Rio Grande rēˈō grănd, rēˈō gränˈdē [key], river, c.1,885 mi (3,000 km) long, rising in SW Colo. in the San Juan Mts. and flowing south through the middle of N.Mex., past Albuquerque, then c...

swimming

(Encyclopedia)swimming, self-propulsion through water, often as a form of recreation or exercise or as a competitive sport. It is mentioned in many of the classics in connection with heroic acts or religious rites....

McClintock, Sir Francis Leopold

(Encyclopedia)McClintock, Sir Francis Leopold, 1819–1907, British arctic explorer. As a lieutenant in the navy he was assigned to his first arctic service in 1848, when Sir James Clark Ross went in search of the ...

Manila Bay

(Encyclopedia)Manila Bay, nearly landlocked inlet of the South China Sea, SW Luzon, the Philippines. About 35 mi (56 km) wide at its broadest point and 30 mi (48 km) long, it is the best natural harbor in E Asia an...