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Masada

(Encyclopedia)Masada məsāˈdə [key], ancient mountaintop fortress in Israel, the final outpost of the Zealot Jews in their rebellion against Roman authority (a.d. 66–73). Located in the Judaean Desert, the for...

Saint Helens, Mount

(Encyclopedia)Saint Helens, Mount, volcanic peak, 8,363 ft (2,549 m; 9,677 ft/2,950 m before its 1980 eruption) high, SW Wash., historically the most active volcano in the Cascade Range. Dormant since 1857, Mt. St....

salsa

(Encyclopedia)salsa sälˈsə, sôlˈ– [key], American popular music developed largely in New York City during ...

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...

Pavarotti, Luciano

(Encyclopedia)Pavarotti, Luciano lo͞ochäˈnō pävōräˈtēē [key], 1935–2007, Italian tenor. He made his debut in Italy in 1961, in London in 1963, and in the United States in 1965. He appeared regularly at ...

tektite

(Encyclopedia)tektite tĕktīt [key], naturally occurring, silica-rich (65%–80% SiO2) glass resembling obsidian and sometimes shale, and is normally jet black to olive green. They appear as small rounded or elong...

Richter scale

(Encyclopedia)Richter scale rĭkˈtər [key], measure of the magnitude of seismic waves from an earthquake. Devised in 1935 by the American seismologist Charles F. Richter (1900–1985) and technically known as the...

Gila

(Encyclopedia)Gila hēˈlə [key], river, 630 mi (1,014 km) long, rising in the mountains of W N.Mex. and flowing W across Ariz. to the Colorado River at Yuma, Ariz.; the San Francisco River is its main tributary. ...

Davenport

(Encyclopedia)Davenport, city (2020 pop. 101,724), seat of Scott co., E central Iowa, on the Mississippi River; inc. 1836. Bridges connect it with the Illinois cities...

Dione, in astronomy

(Encyclopedia)Dione dīōˈnē [key], in astronomy, one of the named moons, or natural satellites, of Saturn. Also known as Saturn IV (or S4), Dione is 695 mi (1,120 km) in diameter, orbits Saturn at a mean distanc...