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Plata, Río de la

(Encyclopedia)Plata, Río de la rēˈō ᵺā lä pläˈtä [key], estuary, c.170 mi (270 km) long, SE South America, formed by the Paraná and Uruguay rivers. Between Argentina and Uruguay, the estuary is c.120 mi...

California State University System

(Encyclopedia)California State University System, coordinating agency established in 1960 by the merger of individual California state colleges, now consisting of 23 campuses. It constitutes one of the three Califo...

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...

Baumgartner, Felix

(Encyclopedia)Baumgartner, Felix, 1969–, Austrian skydiver and daredevil. He made his first skydive at age 16, and turned to BASE jumping [Buildings, Antennas, Spans (bridges), and Earth (mountains)] in the 1990s...

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...

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...

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...

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...

Alps

(Encyclopedia)Alps, great mountain system of S central Europe, c.500 mi (800 km) long and c.100 mi (160 km) wide, curving in a great arc from the Riviera coast on the Mediterranean Sea, along the borders of N Italy...

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...