Columbia Encyclopedia

Search results

500 results found

antenna

(Encyclopedia)antenna ăntĕnˈə [key], in electronics, system of wires or other conductors used to transmit or receive radio or other electromagnetic waves (see radio); sometimes called an aerial. The idea of usi...

Horlivka

(Encyclopedia)Horlivka hôrˈləfkə [key], Rus. Gorlovka, city (1989 pop. 337,000), E Ukraine, in the Donets Basin. It is a major coal-mining and industrial center, with a major chemical complex. Founded in 1867, ...

Glen Cove

(Encyclopedia)Glen Cove, city (2020 pop. 28,365), Nassau co., SE N.Y., on the north shore of Long Island, at the entrance to Hempstead Harbor; settled 1668, inc. as a...

Novomoskovsk

(Encyclopedia)Novomoskovsk nôˌvəməskôfskˈ [key], city (1989 pop. 146,000), W central European Russia. An industrial center in the Moscow lignite basin, it has lignite mines and chemical plants. Founded in 193...

Nagaoka

(Encyclopedia)Nagaoka nägäˈôkä [key], city (1990 pop. 185,938), Niigata prefecture, central Honshu, Japan. An industrial center, it has oil refineries, chemical and food processing plants, engineering works, a...

Ube

(Encyclopedia)Ube o͞oˈbā [key], city (1990 pop. 175,053), Yamaguchi prefecture, SW Honshu, Japan, on the Inland Sea. It has a modern harbor and an important chemical industry. Coal mining, once the city's larges...

Worksop

(Encyclopedia)Worksop wûrkˈsəp, wûrˈ– [key], town (1991 pop. 34,551), Nottinghamshire, central England. Worksop contains a portion of Sherwood Forest. It is a coal-mining center with many industries, includi...

Berezniki

(Encyclopedia)Berezniki bĭryĕznyĭkēˈ [key], city, E European Russia, a port on the Kama River. Situated in an ...

battery, electric

(Encyclopedia)CE5 Lead storage cell: At the lead-dioxide electrode, electrons from the circuit combine with lead dioxide and sulfuric acid to form lead sulfate and water. At the spongy-lead electrode, lead react...

silver

(Encyclopedia)silver, metallic chemical element; symbol Ag [Lat. argentum]; at. no. 47; at. wt. 107.8682; m.p. 961.93℃; b.p. 2,212℃; sp. gr. 10.5 at 20℃; valence +1 or +2. Pure silver is nearly white, lustrou...