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rivet

(Encyclopedia)rivet, headed metal pin or bolt whose shaft is passed through holes in two or more pieces of metal, wood, plastic, or other material in order to unite them by forming the plain end into a second head....

Upper Austria

(Encyclopedia)Upper Austria, Ger. Oberösterreich, province (1991 pop. 1,333,480), 4,625 sq mi (11,979 sq km), NW Austria. Linz is the capital. Bordering on Germany in the west and the Czech Republic in the north, ...

mica

(Encyclopedia)mica mīˈkə [key], general term for a large group of minerals, hydrous silicates of aluminum and potassium, often containing magnesium, ferrous iron, ferric iron, sodium, and lithium and more rarely...

indium

(Encyclopedia)indium ĭnˈdēəm [key], a metallic chemical element; symbol In; at. no. 49; at. wt. 114.818; m.p. 156.6℃; b.p. about 2,080℃; sp. gr. 7.31 at 20℃; valence +1, +2, or +3. Indium is a soft, malle...

electromotive series

(Encyclopedia)electromotive series, list of metals whose order indicates the relative tendency to be oxidized, or to give up electrons (see oxidation and reduction); the list also includes the gas hydrogen. The ele...

Virginia Beach

(Encyclopedia)Virginia Beach, resort city (1990 pop. 393,069), independent and in no county, SE Va., on the Atlantic coast; inc. 1906. In 1963, Princess Anne co. and the former small town of Virginia Beach were mer...

microelectronics

(Encyclopedia)microelectronics, branch of electronic technology devoted to the design and development of extremely small electronic devices that consume very little electric power. Although the term is sometimes us...

methane

(Encyclopedia)methane mĕthˈān [key], CH4, colorless, odorless, gaseous saturated hydrocarbon; the simplest alkane. It is less dense than air, melts at −184℃, and boils at −161.4℃. It is combustible and c...

Henderson

(Encyclopedia)Henderson. 1 City (2020 pop. 27,801), seat of Henderson co., NW Ky., on the Ohio River, in an oil, coal, tobacco, corn, and livestock area; founded ...