Columbia Encyclopedia

Search results

500 results found

Schwäbisch Gmünd

(Encyclopedia)Schwäbisch Gmünd shvĕbˈĭsh gəmüntˈ [key] or Gmünd, city (1994 pop. 63,701), Baden-Württemberg, S Germany, on the Rems River, at the northern foot of the Swabian Jura Mts. It has long been kn...

Cernuda, Luis

(Encyclopedia)Cernuda, Luis lo͞oēsˈ thārno͞oˈᵺä [key], 1904–63, Spanish poet. Cernuda fled Spain after the Spanish civil war and taught abroad. His works include La realidad y el deseo [reality and desir...

Cernuschi, Henri

(Encyclopedia)Cernuschi, Henri chārno͞oˈskē [key], 1821–96, Italian politician and economist. A strong republican, he was a leader in the Milan revolt of 1848 in support of Giuseppe Garibaldi. In 1850 he went...

indium

(Encyclopedia)indium ĭnˈdēəm [key], a metallic chemical element; symbol In; at. no. 49; at. wt. 114.818; m.p. 156.6℃; b.p. about 2,080℃; sp. gr. 7.31 at 20℃; valence +1, +2, or +3. Indium is a soft, malle...

flotation process

(Encyclopedia)flotation process, in mineral treatment and mining, process for concentrating the metal-bearing mineral in an ore. Crude ore is ground to a fine powder and mixed with water, frothing reagents, and col...

Jáchymov

(Encyclopedia)Jáchymov yäˈkhĭmôf [key], Ger. Joachimsthal, town, NW Czech Republic, in Bohemia, in the Erzgebirge [ore mountains]. The productivity of its uranium mines, once extensive, has declined since Worl...

Ocala

(Encyclopedia)Ocala ōkălˈə [key], city (1990 pop. 42,045), seat of Marion co., N central Fla.; inc. 1868. It is a trade and processing center for citrus fruit, vegetables, and truck farm goods. The surrounding ...

Argun

(Encyclopedia)Argun ärˈgo͞onˈ [key], Mandarin Ergun, river, 950 mi (1,529 km) long, rising in the Da Hinggan Mts., Heilongjiang prov., NE China, as the Hailar River and flowing W to the Russian border, then NE ...

Weissenburg in Bayern

(Encyclopedia)Weissenburg in Bayern vīˈsənbo͝ork ĭn bīˈyərn [key] or Weissenburg, town, Bavaria, S Germany. It is a manufacturing center of Middle Franconia; products include gold and silver lace, processed...

sodium thiosulfate

(Encyclopedia)sodium thiosulfate, Na2S2O3, colorless crystalline compound that is more familiar as the pentahydrate, Na2S2O3·5H2O, an efflorescent, monoclinic crystalline substance also called sodium hyposulfite o...

Browse by Subject