Columbia Encyclopedia

(Encyclopedia) Estremadura əshtrəmədo͞oˈrə [key], region, W Portugal, formerly a province, now divided between the provinces of Estremadura and Ribatejo, with a small part in Beira Litoral. Estremadura provinc...

(Encyclopedia) Neolithic period or New Stone Age. The term neolithic is used, especially in archaeology and anthropology, to designate a stage of cultural evolution or technological development characterized by the ...

(Encyclopedia) forum, market and meeting place in ancient Roman towns in Italy and later in the provinces, corresponding to the Greek agora. By extension the word forum often indicates the meeting itself in modern u...

(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...

(Encyclopedia) furnace, enclosed space for the burning of fuel. There are many kinds of furnaces, the type depending upon the fuel and the use to which the heat produced within it is put. Most familiar are the furna...

(Encyclopedia) Licking, river, c.320 mi (515 km) long, rising in E Ky. and flowing NW to the Ohio River opposite Cincinnati; the North and South Forks are its chief tributaries. The Licking was an important means of...

(Encyclopedia) Little Tennessee, river, c.135 mi (220 km) long, rising in the Blue Ridge, NE Ga., and flowing generally NW across SW N.C. and through E Tenn. to the Tennessee River opposite Lenoir City. On the river...

(Encyclopedia) Luangwa lwängˈwä [key], river, c.500 mi (800 km) long, S Africa. It rises in NE Zambia, near the Malawi border, and joins the Zambezi River. In the river valley lies Luangwa National Park, a former...

(Encyclopedia) Athabasca ăthəbăsˈkə [key], river, 765 mi (1,231 km) long, rising in the Columbia snowfield of the Canadian Rockies near the Alta.–British Columbia line and flowing N through Jasper National Pa...

(Encyclopedia) Muskogee mŭskōˈgē [key], city (1990 pop. 37,708), seat of Muskogee co., E Okla., near the junction of the Arkansas, Verdigris, and Grand rivers; inc. 1898. It is an important transportation, trade...