Columbia Encyclopedia

(Encyclopedia) Wrangel Island or Wrangell Island răngˈgəl [key], Rus. Ostrov Vrangelya, island, 1,740 sq mi (4,507 sq km), in the Arctic Ocean, between the East Siberian Sea and the Chukchi Sea, off NE Russia. It...

(Encyclopedia) Holocene epoch hŏlˈəsēn [key] or Recent epoch, most recent of all subdivisions of geologic time, ranging from the present back to the time (c.11,000 years ago) of almost complete withdrawal of the...

(Encyclopedia) Indian Ocean, third largest ocean, c.28,350,000 sq mi (73,427,000 sq km), extending from S Asia to Antarctica and from E Africa to SE Australia; it is c.4,000 mi (6,400 km) wide at the equator. It con...

(Encyclopedia) Johnstown. 1 City (1990 pop. 9,058), seat of Fulton co., E central N.Y.; founded 1772, inc. 1895. Its leather-glove industry dates back to 1800; other leather and knitted goods are also made. Johnson ...

(Encyclopedia) Halifax, city and regional municipality, provincial capital, S central N.S., Canada, on the Atlantic Ocean. It is the largest city in the Maritime Provi...

(Encyclopedia) planet [Gr.,=wanderer], a large nonluminous body of rock, gas, or ice that orbits the sun or another star, has a rounded shape due to gravity, and has cleared its orbit of smaller objects. The term, o...

(Encyclopedia) drift, deposit of mixed clay, gravel, sand, and boulders transported and laid down by glaciers. Stratified, or glaciofluvial, drift is carried by waters flowing from the melting ice of a glacier. The ...

(Encyclopedia)  CE5 North America, third largest continent (2015 est. pop. 571,949,000), c.9,400,000 sq mi (24,346,000 sq km), the northern of the two continents of the Western Hemisphere. North America includes a...

(Encyclopedia) Aral Sea ărˈəl [key], salt lake, SW Kazakhstan and NW Uzbekistan, E of the Caspian Sea in an area of interior drainage. To the north and west are the edges of the arid Ustyurt Plateau; the Kyzyl Ku...

(Encyclopedia) starch, white, odorless, tasteless, carbohydrate powder. It plays a vital role in the biochemistry of both plants and animals and has important commercial uses. In green plants starch is produced by p...