Columbia Encyclopedia

Search results

500 results found

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...

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...

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...

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...

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...

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...

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...

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...

Russell, Bertrand Arthur William Russell, 3d Earl

(Encyclopedia)Russell, Bertrand Arthur William Russell, 3d Earl, 1872–1970, British philosopher, mathematician, and social reformer, b. Trelleck, Wales. As with his philosophical stance, Russell's positions on ...