Columbia Encyclopedia

Search results

450 results found

herbicide

(Encyclopedia)herbicide hrˈbəsīdˌ [key], chemical compound that kills plants or inhibits their normal growth. A herbicide in a particular formulation and application can be described as selective or nonselectiv...

Luzon

(Encyclopedia)Luzon lo͞ozŏnˈ [key], island (1990 pop. 30,797,458), 40,420 sq mi (104,688 sq km), largest, most populous, and most important of the Philippine Islands. As the major island, Luzon has played the ...

ethanol

(Encyclopedia)ethanol ĕthˈənōlˌ [key] or ethyl alcohol, CH3CH2OH, a colorless liquid with characteristic odor and taste; commonly called grain alcohol or simply alcohol. Ethanol is used extensively as a solv...

Waziristan

(Encyclopedia)Waziristan wəzēˈrĭstänˌ [key], region (1981 est. pop. 545,000), 4,473 sq mi (11,585 sq km), Khyber Pakhtunkhwa (formerly North-West Frontier Province), Pakistan, on the Afghanistan border. An ex...

Bessarabia

(Encyclopedia)Bessarabia bĕsərāˈbēə [key], historic region, c.17,600 sq mi (45,600 sq km), largely in Moldova and Ukraine. It is bounded by the Dniester River on the north and east, the Prut on the west, and ...

Peel, Sir Robert

(Encyclopedia)Peel, Sir Robert, 1788–1850, British statesman. The son of a rich cotton manufacturer, whose baronetcy he inherited in 1830, Peel entered Parliament as a Tory in 1809. He served (1812–18) as chief...

Basque Country

(Encyclopedia)Basque Country băsk, bäsk [key], Basque Euzkadi, Span. País Vasco, autonomous communit...

Ojibwa

(Encyclopedia)Ojibwa chĭpˈəwäˌ, –wə [key], group of Native North Americans whose language belongs to the Algonquian branch of the Algonquian-Wakashan linguistic stock (see Native American languages). Their ...

free trade

(Encyclopedia)free trade, in modern usage, trade or commerce carried on without such restrictions as import duties, export bounties, domestic production subsidies, trade quotas, or import licenses. The basic argume...

Gladstone, William Ewart

(Encyclopedia)Gladstone, William Ewart, 1809–98, British statesman, the dominant personality of the Liberal party from 1868 until 1894. A great orator and a master of finance, he was deeply religious and brought ...
 

Browse by Subject