Columbia Encyclopedia

Search results

500 results found

repoussé

(Encyclopedia)repoussé rəpo͞osāˈ [key], the process or the product of ornamenting metallic surfaces with designs in relief hammered out from the back by hand. Gold and silver are most commonly used today for f...

photoengraving

(Encyclopedia)photoengraving, photomechanical process in the graphic arts, used principally for reproducing illustrations. The subject is photographed, and the image is recorded on a sensitized metal plate, which i...

Puerto Cabello

(Encyclopedia)Puerto Cabello käbāˈyō [key], city (1990 pop. 128,825), N Venezuela, a port on the Caribbean Sea. An important Venezuelan port, it ships meat, coffee, cacao, dyewoods, and copper ores. Near the ci...

Pechenga

(Encyclopedia)Pechenga pyĕˈchĭn-gə [key], Finnish Petsamo, town, NW European Russia, an ice-free port at the head of Pechenga Fjord on the Barents Sea and near the Norwegian border. It is also the northern term...

Évora

(Encyclopedia)Évora ĕˈvôrə [key], town, capital of Évora dist. and of Altro Alentejo, S central Portu...

Diyarbakir

(Encyclopedia)Diyarbakir dēyärˈbäkŭrˌ [key], anc. Amida, city, capital of Diyarbakir prov., SE Turkey...

galvanizing

(Encyclopedia)galvanizing, process of coating a metal, usually iron or steel, with a protective covering of zinc. Galvanized iron is prepared either by dipping iron, from which rust has been removed by the action o...

Guericke, Otto von

(Encyclopedia)Guericke, Otto von ôˈtō fən gāˈrĭkə [key], 1602–86, German physicist, noted for his study of pneumatics. He carried out his most important researches while burgomaster (1646–81) of Magdebu...

turquoise

(Encyclopedia)turquoise, hydrous phosphate of aluminum and copper, Al2(OH)3PO4·H2O+Cu, used as a gem. It occurs rarely in crystal form, but is usually cryptocrystalline. Turquoise is opaque and has a waxy luster; ...

Buell, Abel

(Encyclopedia)Buell, Abel byo͞oˈəl [key], 1742–1822, American silversmith, engraver, and type founder, b. Killingworth, Conn. He engraved a number of maps, including maps of the Florida coast and a large wall ...
 

Browse by Subject