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ore

(Encyclopedia)ore, metal-bearing mineral mass that can be profitably mined. Nearly all rock deposits contain some metallic minerals, but in many cases the concentration of metal is too low to justify mining the ore...

flerovium

(Encyclopedia)flerovium, artificially produced radioactive chemical element; symbol Fl; at. no. 114; mass number of most stable isotope 289; m.p., b.p., sp. gr., and valence unknown. Situated in Group 14 of the per...

carbonate

(Encyclopedia)carbonate kärˈbənātˌ, –nət [key], chemical compound containing the carbonate radical or ion, CO3−2. Most familiar carbonates are salts that are formed by reacting an inorganic base (e.g., a ...

Novaya Zemlya

(Encyclopedia)Novaya Zemlya nôˌvīə zĭmlyäˈ [key] [Rus.,=New Land], archipelago, c.35,000 sq mi (90,650 sq km), in the Arctic Ocean between the Barents and Kara seas, NW Russia. It consists of two main island...

Maputo Bay

(Encyclopedia)Maputo Bay, formerly Delagoa Bay dĕlˌəgōˈə [key], inlet of the Indian Ocean, c.55 mi (90 km) long and 20 mi (30 km) wide, S Mozambique, SE Africa; Maputo, the capital and chief port of Mozambiqu...

saturated fat

(Encyclopedia)saturated fat, any solid fat that is an ester of glycerol and a saturated fatty acid. The molecules of a saturated fat have only single bonds between carbon atoms; if double bonds are present in the f...

National Republican party

(Encyclopedia)National Republican party, in U.S. history, a short-lived political party opposed to Andrew Jackson. In the election of 1828, which Jackson won overwhelmingly, some of the supporters of his opponent, ...

Schiff, Adam Bennett

(Encyclopedia) Schiff, Adam Bennett, 1960- , American politician, b. Framingham, Ma., Stanford Univ. (B.A., 1982), Harvard Law School (J.D., 1985). ...

Compton, Sir John

(Encyclopedia)Compton, Sir John (John George Melvin Compton), 1925–2007, St. Lucian political leader, b. Canouan, Windward Islands (now in St. Vincent and the Grenadines). Compton attended high school in St. Luci...

Chukchi Peninsula

(Encyclopedia)Chukchi Peninsula cho͞okˈchē [key], northeastern extremity of Asia, terminating in Cape Dezhnev, Russian Far East. Washed by the E Siberian and Chukchi seas in the northeast, the peninsula is the e...