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Parkman, Francis

(Encyclopedia)Parkman, Francis, 1823–93, American historian, b. Boston. In 1846, Parkman started a journey along the Oregon Trail to improve his health and study the Native Americans. On his return to Boston he c...

Rub al Khali

(Encyclopedia)Rub al Khali ro͞ob äl khäˈlē [key] [Arab.,=empty quarter], great desert of the Arabian peninsula, c.225,000 sq mi (582,750 sq km); one of the largest sand deserts in the world. The desert occupie...

Zeeman effect

(Encyclopedia)Zeeman effect, splitting of a single spectral line (see spectrum) into a group of closely spaced lines when the substance producing the single line is subjected to a uniform magnetic field. The effect...

magnetism

(Encyclopedia)CE5 Lines of induction around a single bar magnet and between opposite poles of different magnets magnetism, force of attraction or repulsion between various substances, especially those made of i...

Aceldama

(Encyclopedia)Aceldama əkĕlˈdəmə [key] [Aram.,=field of blood], according to the Gospel of St. Matthew, the chief priests bought the potter's field with Judas' 30 pieces of silver as a place to bury foreigners...

Folger, Henry Clay

(Encyclopedia)Folger, Henry Clay fōlˈjər [key], 1857–1930, American industrialist and collector of Shakespeareana. His connection with Standard Oil companies, beginning in 1879, continued until his retirement ...

Yuma, city, United States

(Encyclopedia)Yuma yo͞oˈ mə [key], city (1990 pop. 54,923), seat of Yuma co., extreme SW Ariz., on the eastern bank of the Colorado River near the confluence of the Gila River; founded 1854, inc. as a city 1914....

Stern, Andrew L.

(Encyclopedia)Stern, Andrew L., 1950–, American labor leader, b. West Orange, N.J., grad., Univ. of Pennsylvania (B.A., 1971). A charismatic and frequently controversial reformer, he became a significant figure i...

De la Warr, Thomas West, 12th Baron

(Encyclopedia)De la Warr, Thomas West, 12th Baron dĕlˈəwər [key], 1577–1618, English colonial governor of Virginia. He saw fighting in the Netherlands and was knighted when serving in Ireland. He succeeded to...

Carloman, d. 884, king of the West Franks

(Encyclopedia)Carloman, d. 884, king of the West Franks (France), son of King Louis II (Louis the Stammerer). He became joint ruler with his brother Louis III in 879. His reign was disturbed by revolts in Burgundy,...