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bauxite

(Encyclopedia)bauxite bôkˈsīt, bŏkˈ– [key], mixture of hydrated aluminum oxides usually containing oxides of iron and silicon in varying quantities. A noncrystalline substance formerly thought to be a minera...

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; ...

Al

(Encyclopedia)Al, symbol for the element aluminum. ...

Benton

(Encyclopedia)Benton, city (2020 pop. 37,604), seat of Saline co., central Ark.; founded 1836. Once a significant aluminum producer, the city manufactures fabricated-...

Dolton

(Encyclopedia)Dolton, village (2020 pop. 22,006), Cook co., NE Ill., on the Little Calumet River, S of Chicago; settled 1832, inc. 1892. Steel, aluminum products, gla...

beryllium

(Encyclopedia)beryllium bərĭlˈēəm [key] [from beryl ], metallic chemical element; symbol Be; at. no. 4; at. wt. 9.01218; m.p. about 1,278℃; b.p. 2,970℃ (estimated); sp. gr. 1.85 at 20℃; valence +2. Ber...

Pavlodar

(Encyclopedia)Pavlodar, city (1989 pop. 330,748), N Kazakhstan, on the Irtysh River. It is an oil-refining center, and manufactures include heavy machinery, aluminum, and chemicals. It was founded as a fortress in ...

Montville

(Encyclopedia)Montville, town (1990 pop. 16,673), New London co., SE Conn.; founded 1670, inc. 1786. Paper products, sheet metal, computer circuit boards, tachometers, aluminum doors and windows, and boxes are made...

quasicrystal

(Encyclopedia)quasicrystal kwāˈzīkrĭsˌtəl, kwäzˈē– [key] or quasiperiodic solid, solid body that exhibits such crystalline features as symmetry and repeating patterns of unit cells (regular arrangements ...

Chicoutimi, river, Canada

(Encyclopedia)Chicoutimi, river, c.100 mi (160 km) long, rising in the Laurentian Mts. and flowing N into Lake Kenogami, then E into the Saguenay River at Chicoutimi. A hydroelectric facility on the falls (50 ft/15...