Columbia Encyclopedia

Search results

500 results found

National Dialogue Quartet

(Encyclopedia)National Dialogue Quartet, informal grouping of four Tunisian civil society organizations formed in mid-2013 to facilitate political dialogue in Tunisia that would lead to consensus on the adoption of...

pigment

(Encyclopedia)pigment, substance that imparts color to other materials. In paint, the pigment is a powdered substance which, when mixed in the liquid vehicle, imparts color to a painted surface. The pigments used i...

Urban League, National

(Encyclopedia)Urban League, National, voluntary nonpartisan community service agency, founded in 1910, whose goal is to help end racial segregation and discrimination in the United States, especially toward African...

National Recovery Administration

(Encyclopedia)National Recovery Administration (NRA), in U.S. history, administrative bureau established under the National Industrial Recovery Act of 1933. In response to President Franklin Delano Roosevelt's cong...

Audubon Society, National

(Encyclopedia)Audubon Society, National, one of the oldest and best-known U.S. environmental organizations; founded 1886 by George Cird Grinnell and named for John James Audubon. The nonprofit organization, which h...

Argonne National Laboratory

(Encyclopedia)Argonne National Laboratory, research center, based in Argonne, Ill., 27 mi (43 km) SW of downtown Chicago, with other facilities at the Idaho National Engineering Laboratory, 50 mi (80 km) W of Idaho...

Salmon, river, United States

(Encyclopedia)Salmon, river, c.425 mi (680 km) long, rising in many branches in the Sawtooth and the Salmon River mts., central Idaho. It flows northeast and is joined, at Salmon, by the Lemhi River, after which it...

Madera

(Encyclopedia)Madera mədârˈə [key], city (1990 pop. 29,281), seat of Madera co., central Calif., in the San Joaquin valley; inc. 1907. Wine, machinery, consumer goods, and plastic products are produced, and a g...

National Education Association

(Encyclopedia)National Education Association (NEA), organization of professional educators in the United States, with almost 2.5 million members. The NEA was founded (1850) as the National Teachers Association, cha...

Browse by Subject