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Guadalcanal

(Encyclopedia)Guadalcanal gwädəlkənălˈ [key], volcanic island, c.2,510 sq mi (6,500 sq km), South Pacific, ...

chicle

(Encyclopedia)chicle chĭkˈəl [key], name for the gum obtained from the latex of the sapodilla tree (Manilkara zapota), a tropical American evergreen. The sapodilla (known also by many other common names) is wide...

Brazelton, T. Berry

(Encyclopedia)Brazelton, T. Berry (Thomas Berry Brazelton Jr.), 1918–2018, American pediatrician and author, b. Waco, Tex., grad. Princeton, 1940, College of Physicians and Surgeons, Columbia 1943. Brazelton was ...

Brasília

(Encyclopedia)Brasília bräzēlˈyä [key], capital city and federal district of Brazil (2,264 sq mi/5,864 sq ...

Woolley, Sir Charles Leonard

(Encyclopedia)Woolley, Sir Charles Leonard, 1880–1960, English archaeologist. His early work included excavations at Carchemish (1912–14) and the Egyptian site of Tell el Amarna (1921–22). He was then chosen ...

Susquehanna

(Encyclopedia)Susquehanna səskwĭhănˈə [key], river, 444 mi (715 km) long, rising in Otsego Lake, at Cooperstown, N.Y., and zigzagging SE and SW through E central Pa. to Chesapeake Bay near Havre de Grace, Md. ...

sertão

(Encyclopedia)sertão sərˈtouN [key] [Port.,=backlands], semiarid hinterland of NE Brazil; c.250,000 sq mi (647,500 sq km). Its characteristic landscape is the caatinga, or thorny scrub forest. The chief occupati...

São Francisco

(Encyclopedia)São Francisco souN frəsēshˈko͝o [key], river, c.1,800 mi (2,900 km) long, rising in the Serra de Canastra, SW Minas Gerais state, Brazil, and flowing northeast, then southeast through the sertão...

Pskov

(Encyclopedia)Pskov pəskôfˈ [key], city (1989 pop. 204,000), capital of Pskov region, NW European Russia, on the Velikaya River. It is an important rail junction in the heart of a flax-growing area. Industries i...

Hall effect

(Encyclopedia)Hall effect, experiment that shows the sign of the charge carriers in a conductor. In 1879 E. H. Hall discovered that when he placed a metal strip carrying a current in a magnetic field, a voltage dif...
 

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