Columbia Encyclopedia

Search results

500 results found

Humboldt, Alexander, Freiherr von

(Encyclopedia)Humboldt, Alexander, Freiherr von hŭmˈbōlt, Ger. älĕksänˈdər frīˈhĕr fən ho͝omˈbôlt [key], 1769–1859, German naturalist, inventor, explorer, and author, the most eminent scientist of ...

Haushofer, Karl

(Encyclopedia)Haushofer, Karl kärl housˈhōfər [key], 1869–1946, German geographer, theorist of Nazi geopolitics, including the doctrines that the state is a living organism and that race and territory are lin...

Africa

(Encyclopedia)CE5 Africa ăfˈrĭkə [key], second largest continent (2015 est. pop. 1,194,370,000), c.11,677,240 sq mi (30,244,050 sq km) including adjacent islands. Broad to the north (c.4,600 mi/7,400 km wide...

Cretaceous period

(Encyclopedia)Cretaceous period krĭtāˈshəs [key], third and last period of the Mesozoic era of geologic time (see Geologic Timescale, tablegeologic timescale, table), lasting from approximately 144 to 65 millio...

mountain

(Encyclopedia)mountain, high land mass projecting conspicuously above its surroundings and usually of limited width at its summit. Although isolated mountains are not unusual, mountains commonly form ranges, compri...

Red River, rivers, United States and Canada

(Encyclopedia)Red River. 1 River, 1,222 mi (1,967 km) long, southernmost of the large tributaries of the Mississippi River. It rises in two branches in the Texas Panhandle and flows SE between Texas and Oklahoma an...

Red River Settlement

(Encyclopedia)Red River Settlement, agricultural colony in present Manitoba, North Dakota, and Minnesota. It was the undertaking of Thomas Douglas, 5th earl of Selkirk. Wishing to relieve the dispossessed and impov...

Wilder, Laura Elizabeth Ingalls

(Encyclopedia)Wilder, Laura Elizabeth Ingalls, 1867–1957, American author of the classic Little House series of children's books, b. Pepin, Wis. She and her pioneer family traveled (1869–79) throughout the Midw...

Transkei

(Encyclopedia)Transkei trănskīˈ [key], former black “homeland” and nominal republic, E South Africa, in what is now Eastern Cape prov. Transkei was bounded by the Great Kei River on the south, by the Indian ...

Paton, Alan

(Encyclopedia)Paton, Alan pāˈtən [key], 1903–88, South African novelist. A devoted leader in the struggle to end the oppression of the South African blacks, he served (1935–47) as principal of the Diepkloof ...