Columbia Encyclopedia
Search results
500 results found
cobalt, chemical element
(Encyclopedia)cobalt, metallic chemical element; symbol Co; at. no. 27; at. wt. 58.9332; m.p. 1,495℃; b.p. about 2,870℃; sp. gr. 8.9 at 20℃; valence +2 or +3. Cobalt is a silver-white, lustrous, hard, brittle...lead, chemical element
(Encyclopedia)lead, metallic chemical element; symbol Pb [Lat. plumbum]; at. no. 82; at. wt. 207.2; m.p. 327.502℃; b.p. about 1,740℃; sp. gr. 11.35 at 20℃; valence +2 or +4. One of the oldest metals used by h...João Pessoa
(Encyclopedia)João Pessoa zhwouN pəsôˈə [key], city (1991 pop. 497,600), capital of Paraíba state, NE Brazil, at the confluence of the Sanhauá and Paraíba do Norte rivers. Cotton, sugar, and minerals are ex...Meaux
(Encyclopedia)Meaux mō [key], city (1990 pop. 49,409), Seine-et-Marne dept., N France, in Brie, on the Marne River. It is an industrial center where metals, flour, chemicals, and foodstuffs are produced. An episco...Kaohsiung
(Encyclopedia)Kaohsiung or Kao-hsiung both: gouˈshyo͞ongˈ [key], special municipality (2010 pop. 2,777,384), 1,140 sq mi (2,952 sq km), S Taiwan. The economic center of S Taiwan, it is Taiwan's leading port but ...Aarhus
(Encyclopedia)Aarhus ôrˈho͞os [key], city (2021 est. pop. 282,910), capital of Aarhus co., central Denmark, on Aarhus Bay, an arm of the Kattegat. The second largest city in Denmark,...intoxication
(Encyclopedia)intoxication, condition of body tissue affected by a poisonous substance. Poisonous materials, or toxins, are to be found in heavy metals such as lead and mercury, in drugs, in chemicals such as alcoh...Ferrara
(Encyclopedia)Ferrara fār-räˈrä [key], city, capital of Ferrara prov., in Emilia-Romagna, N Italy. It is a ...Pozzuoli
(Encyclopedia)Pozzuoli pōt-tswôˈlē [key], Latin Puteoli, city (1991 pop. 75,142), Campania, S Italy, on the Gulf of Pozzuoli, an arm of the Bay of Naples. It is a port and an industrial and tourist center. Manu...Phoenician art
(Encyclopedia)Phoenician art. The Phoenician region developed as a major trade center of the ancient world; consequently Phoenician art clearly reflects the influences of Egypt, Syria, and Greece. Phoenician deitie...Browse by Subject
- Earth and the Environment +-
- History +-
- Literature and the Arts +-
- Medicine +-
- People +-
- Philosophy and Religion +-
- Places +-
- Africa
- Asia
- Australia and Oceania
- Britain, Ireland, France, and the Low Countries
- Commonwealth of Independent States and the Baltic Nations
- Germany, Scandinavia, and Central Europe
- Latin America and the Caribbean
- Oceans, Continents, and Polar Regions
- Spain, Portugal, Italy, Greece, and the Balkans
- United States, Canada, and Greenland
- Plants and Animals +-
- Science and Technology +-
- Social Sciences and the Law +-
- Sports and Everyday Life +-