Columbia Encyclopedia

Search results

500 results found

Illinois, state, United States

(Encyclopedia)CE5 Illinois, midwestern state in the N central United States. It is bordered by Lake Michigan and Indiana (E); Kentucky, across the Ohio River (SE); Missouri and Iowa, across the Mississippi River...

New Mexico

(Encyclopedia)CE5 New Mexico, state in the SW United States. At its northwestern corner are the so-called Four Corners, where Colorado, New Mexico, Arizona, and Utah meet at right angles; New Mexico is also bord...

Belarus

(Encyclopedia)CE5 Belarus or Byelarus both: byĕˌləro͞osˈ [key], officially Republic of Belarus, republic (2020 est. pop. ...

Congo, Republic of the

(Encyclopedia)CE5 Congo, Republic of the, republic (2015 est. pop. 4,996,000), 132,046 sq mi (342,000 sq km), W central Africa; also known as the Congo Republic. Congo is bordered on the west by Gabon; on the no...

gamma-ray astronomy

(Encyclopedia)gamma-ray astronomy, study of astronomical objects by analysis of the most energetic electromagnetic radiation they emit. Gamma rays are shorter in wavelength and hence more energetic than X rays (see...

New Brunswick, province, Canada

(Encyclopedia)CE5 New Brunswick, province (2001 pop. 729,498), 28,345 sq mi (73,433 sq km), including 519 sq mi (1,345 sq km) of water surface, E Canada. The Mi'kmaq, an indigenous people whose settlements s...

Xinjiang

(Encyclopedia)Xinjiang shĭnˈjyängˈ, sĭnˈkyăng [key] [Chinese,=new frontier], officially Xinjiang Uygur Autonomous Region (Mandarin Xinjiang Uygur Zizhiqu), autonomous region (2010 pop. 21,813,334), c.637,000...

pollution

(Encyclopedia)pollution, contamination of the environment as a result of human activities. The term pollution refers primarily to the fouling of air, water, and land by wastes (see air pollution; water pollution; s...

Pakistan

(Encyclopedia)CE5 Pakistan păkˈĭstănˌ, päkĭstänˈ [key], officially Islamic Republic of Pakistan, republic (2015 est. pop. 189,381,000), 310,403 sq mi (803,944 sq km), S Asia. Pakistan is bordered by Ind...

Eisenhower, Dwight David

(Encyclopedia)Eisenhower, Dwight David īˈzənhouˌər [key], 1890–1969, American general and 34th President of the United States, b. Denison, Tex.; his nickname was “Ike.” In his farewell address as pr...