Columbia Encyclopedia
Search results
73 results found
Bessemer process
(Encyclopedia)CE5 Bessemer converter Bessemer process bĕsˈəmər [key] [for Sir Henry Bessemer], industrial process for the manufacture of steel from molten pig iron. The principle involved is that of oxidati...Udmurt Republic
(Encyclopedia)Udmurt Republic o͝odˈmo͝ort, Rus. o͝odmo͞ortˈ [key] or Udmurtia, constituent republic (1990 pop. 1,620,000), 16,255 sq mi (42,100 sq km), European Russia, in the forested foothills of the Urals,...boron
(Encyclopedia)boron bōrˈŏn [key] [New Gr. from borax], chemical element; symbol B; at. no. 5; interval in which at. wt. ranges 10.806–10.821; m.p. about 2,300℃; sublimation point about 2,550℃; sp. gr. 2.3 ...Algiers
(Encyclopedia)Algiers älzhāˈ [key], city (2021 pop. 2,809,158), capital of Algeria, N Algeria, on the Bay of Algiers of the Mediterranean Sea. It is one of the leading ports of North...ore
(Encyclopedia)ore, metal-bearing mineral mass that can be profitably mined. Nearly all rock deposits contain some metallic minerals, but in many cases the concentration of metal is too low to justify mining the ore...Liaoning
(Encyclopedia)Liaoning lyouˈnĭngˈ [key], province (2010 pop. 43,746,323), c.58,400 sq mi (151,295 sq km), NE China, on the Bohai and Korea Bay. The capital is Shenyang (Mukden). A part of Manchuria, it encompass...Kiev
(Encyclopedia)Kiev or Kyiv kēˈĕf, –ĕv [key], Ukrainian Kyyiv, Rus. Kiyev, city (1990 est. pop. 2,600,000) and municipality with the status of a region (oblast), capital of Ukraine and of Kiev region, a port o...Champagne, historic region and former province, France
(Encyclopedia)Champagne shäNpäˈnyə [key], historic region and former province, NE France, consisting mainly of Aube, Marne, Haute-Marne, and Ardennes depts., which formed the modern administrative region of Cha...zinc
(Encyclopedia)zinc, metallic chemical element; symbol Zn; at. no. 30; at. wt. 65.38; m.p. 419.58℃; b.p. 907℃; sp. gr. 7.133 at 25℃; valence +2. Zinc is a lustrous bluish-white metal. It is found in Group 12 o...Mycenaean civilization
(Encyclopedia)Mycenaean civilization mīsēnēˈən [key], an ancient Aegean civilization known from the excavations at Mycenae and other sites. They were first undertaken by Heinrich Schliemann and others after 18...Browse by Subject
- Earth and the Environment +-
- History +-
- Literature and the Arts +-
- Medicine +-
- People +-
- Philosophy and Religion +-
- Places +-
- Africa
- Asia
- Australia and Oceania
- Britain, Ireland, France, and the Low Countries
- Commonwealth of Independent States and the Baltic Nations
- Germany, Scandinavia, and Central Europe
- Latin America and the Caribbean
- Oceans, Continents, and Polar Regions
- Spain, Portugal, Italy, Greece, and the Balkans
- United States, Canada, and Greenland
- Plants and Animals +-
- Science and Technology +-
- Social Sciences and the Law +-
- Sports and Everyday Life +-
