Columbia Encyclopedia

Search results

500 results found

Reston

(Encyclopedia)Reston, uninc. city (1990 pop. 48,556), Fairfax co., N Va., a residential and commercial suburb c. 20 mi (32 km) W of Washington, D.C. A planned community, it was established in 1961 by real estate de...

Bute

(Encyclopedia)Bute or Buteshire, former county, W Scotland, consisting mainly of the islands of Bute and Arran. Under the Local Government Act of 1973, Bute became (1975) part of the new Strathclyde region. In the ...

corundum

(Encyclopedia)corundum kərŭnˈdəm [key], mineral, aluminum oxide, Al2O3. The clear varieties are used as gems and the opaque as abrasive materials. Corundum occurs in crystals of the hexagonal system and in mass...

graphite

(Encyclopedia)graphite grăfˈīt [key], an allotropic form of carbon, known also as plumbago and black lead. It is dark gray or black, crystalline (often in the form of slippery scales), greasy, and soft, with a m...

Rhodes, James Ford

(Encyclopedia)Rhodes, James Ford rōdz [key], 1848–1927, American historian, b. Ohio City (now part of Cleveland). While studying in Europe he visited ironworks and steelworks in Germany and Great Britain, and up...

china clay

(Encyclopedia)china clay, one of the purest of the clays, composed chiefly of the mineral kaolinite usually formed when granite is changed by hydrothermal metamorphism. Usage of the terms china clay and kaolin is n...

Korea

(Encyclopedia)CE5 Korea kôrēˈə, kə– [key], Korean Hanguk or Choson, region and historic country (85,049 sq mi/220,277 sq km), E Asia. A peninsula, 600 mi (966 km) long, Korea separates the Sea of Japan (c...

Cooper, Thomas

(Encyclopedia)Cooper, Thomas, 1759–1839, American scientist, educator, and political philosopher, b. London, educated at Oxford. His important works include Political Essays (1799); the appendixes to the Memoirs ...

Augusta, cities, United States

(Encyclopedia)Augusta ôgŭsˈtə, əgŭsˈ– [key]. 1 City (2020 pop. 199,614), seat of Richmond co., E Ga.; inc. 1798. At the head of navigation on the Savannah River and protected b...

Stakhanovism

(Encyclopedia)Stakhanovism stäkäˈnəvĭzm, stə– [key], movement begun (1935) in the Soviet Union aimed at increasing industrial production by the use of efficient working techniques. It was named for Aleksey ...

Browse by Subject