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asthenosphere

(Encyclopedia)asthenosphere ăsthēnˈəsfēr [key], region in the upper mantle of the earth's interior, characterized by low-density, semiplastic (or partially molten) rock material chemically similar to the overl...

San Jose, city, United States

(Encyclopedia)San Jose sănəzāˈ, săn hōzāˈ [key], city (1990 pop. 782,248), seat of Santa Clara co., W central Calif.; founded 1777, inc. 1850. Along with San Francisco and Oakland the city comprises the fou...

Reading, cities, United States

(Encyclopedia)Reading. rĕdˈĭng [key] 1 Town (1990 pop. 22,539), Middlesex co., NE Mass., a suburb of Boston; settled 1639, set off from Lynn and inc. 1644. Printing is the major industry. A 17th-century tavern i...

Marion

(Encyclopedia)Marion. 1 City (1990 pop. 14,545), seat of Williamson co., S Ill.; inc. 1841. It is the commercial and retail center of a farm and coal area and has a large soft drink bottling plant. A maximum-securi...

Reno

(Encyclopedia)Reno rēˈnō [key], city (1990 pop. 133,850), seat of Washoe co., W Nev., on the Truckee River; inc. 1903. Tourism has been the major industry since gambling was legalized in Nevada in 1931. With its...

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....

Pasadena

(Encyclopedia)Pasadena păsˌədēˈnə [key]. 1 City (1990 pop. 131,591), Los Angeles co., S Calif., at the base of the San Gabriel Mts.; inc. 1866. The city is a research and technological center with manufacture...

Gainesville

(Encyclopedia)Gainesville. 1 City (2020 pop. 141,085), seat of Alachua co., N central Fla.; inc. 1869. The Univ. of Florida is a major source of employment in the ...

hydrogen fluoride

(Encyclopedia)hydrogen fluoride, chemical compound, HF, a colorless, fuming liquid or colorless gas that boils at 19.54℃. It is miscible with water and is soluble in benzene, toluene, and concentrated sulfuric ac...

xerography

(Encyclopedia)xerography zərŏgˈrəfēˌ [key], also called electrophotography, method of dry photocopying in which the image is transferred by using the attractive forces of electric charges. A beam of light, us...