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Uruguay , country, South America

(Encyclopedia)CE5 Uruguay yo͝oˈrəgwā, gwī, Span. o͞oro͞ogwiˈ, o͞oro͞owīˈ [key], officially Oriental Republic of Uruguay, republic (2015 est. pop. 3,432,000), 68,536 sq mi (177,508 sq km), SE South Am...

Citadel, The–The Military College of South Carolina

(Encyclopedia)Citadel, The–The Military College of South Carolina sĭtˈədəl, –dĕlˌ [key], at Charleston; state supported; chartered (1842) as The Citadel, opened 1843. From 1882 to 1910 it was named the So...

Paraguay, country, South America

(Encyclopedia)CE5 Paraguay pârˈəgwā, –gwī, Span. pärägwīˈ [key], officially Republic of Paraguay, republic (2015 est. pop. 6,639,000), 157,047 sq mi (406,752 sq km), S central South America. Paraguay ...

Peru, country, South America

(Encyclopedia)CE5 Peru pāro͞oˈ [key], officially Republic of Peru, republic (2015 est. pop. 31,377,000), 496,220 sq mi (1,285,210 sq km), W South America. It borders on the Pacific Ocean in the west, on Ecuad...

South Dakota School of Mines and Technology

(Encyclopedia)South Dakota School of Mines and Technology, at Rapid City; state supported; coeducational; chartered 1885, opened 1887 as Dakota School of Mines, renamed 1943. Of note are an engineering and mining e...

spark chamber

(Encyclopedia)spark chamber, in physics, device for recording the passage of elementary particles produced by reactions in a particle accelerator. Particles pass through a stack of metal plates or wire grids that a...

Glaser, Donald Arthur

(Encyclopedia)Glaser, Donald Arthur, 1926–2013, American physicist, b. Cleveland, Ph.D. California Institute of Technology, 1950. He was a professor at the Univ. of Michigan from 1950 to 1959, when he joined the ...

spirit level

(Encyclopedia)spirit level, tool for determining whether a surface is horizontal. It consists essentially of a slightly bent transparent tube that is held in a frame. The tube contains some alcohol, ether, or simil...

Big South Fork National River and Recreation Area

(Encyclopedia)Big South Fork National River and Recreation Area: see National Parks and Monuments (table)national parks and monuments (table). ...

sextant

(Encyclopedia)CE5 Sextant sextant, instrument for measuring the altitude of the sun or another celestial body; such measurements can then be used to determine the observer's geographical position or for other n...