Columbia Encyclopedia
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base line
(Encyclopedia)base line: see geodesy.date line, international
(Encyclopedia)date line, international: see international date line. ...international date line
(Encyclopedia)international date line, imaginary line on the earth's surface, generally following the 180° meridian of longitude, where, by international agreement, travelers change dates. Traveling eastward acros...Mason-Dixon Line
(Encyclopedia)Mason-Dixon Line, boundary between Pennsylvania and Maryland (running between lat. 39°43′26.3″N and lat. 39°43′17.6″N), surveyed by the English team of Charles Mason, a mathematician and ast...Line Islands
(Encyclopedia)Line Islands or Equatorial Islands, coral group, 43 sq mi (111 sq km), central and S Pacific. Once valuable for their guano deposits, the islands now have coconut groves, airfields, and meteorological...Oder-Neisse line
(Encyclopedia)Oder-Neisse line, frontier established in 1945 between Germany and Poland; it followed the Oder and W Neisse rivers from the Baltic Sea to the Czechoslovak border. The boundary, desired by most Poles ...dark-line spectrum
(Encyclopedia)dark-line spectrum: see spectrum. ...bright-line spectrum
(Encyclopedia)bright-line spectrum: see spectrum. ...United Nations General Assembly
(Encyclopedia)United Nations General Assembly: see United Nations. ...riot, rout, and unlawful assembly
(Encyclopedia)riot, rout, and unlawful assembly, in law, varying degrees of concerted disturbance of the peace. At common law, an unlawful assembly is a gathering of at least three persons whose conduct causes obse...Browse by Subject
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