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Tana, lake, Ethiopia

(Encyclopedia)Tana tsäˈnä [key], largest lake of Ethiopia, c.1,400 sq mi (3,630 sq km), S of Gondar. It is fed by more than 60 streams, one of which is regarded as the source of the Blue Nile. The islands in the...

Yoho National Park

(Encyclopedia)Yoho National Park yōˈhō [key], 507 sq mi (1,313 sq km), SE British Columbia, Canada, in the Rocky Mts. at the Alta. border; est. 1886. It lies W of the Continental Divide, adjoining Banff and Koot...

Wallach, Otto

(Encyclopedia)Wallach, Otto, 1847–1931, German chemist, Ph.D. Univ. of Göttingen, 1869. Wallach was a professor at the Univ. of Bonn from 1870 to 1889 and at the Univ. of Göttingen from 1889 to 1915. In 1910 he...

Bishop, Isabella Lucy (Bird)

(Encyclopedia)Bishop, Isabella Lucy (Bird), 1831–1904, English traveler and writer, first woman member of the Royal Geographical Society. She traveled extensively and wrote a number of books, including The Englis...

automated teller machine

(Encyclopedia)automated teller machine (ATM), device used by bank customers to process account transactions. Typically, a user inserts into the ATM a special plastic card that is encoded with information on a magne...

meitnerium

(Encyclopedia)meitnerium mītnĭrˈēəm [key], artificially produced radioactive chemical element; symbol Mt; at. no. 109; mass number of most stable isotope 276; m.p., b.p., sp. gr., and valence unknown. Situated...

Thousand and One Nights

(Encyclopedia)Thousand and One Nights or Arabian Nights, series of anonymous stories in Arabic, considered as an entity to be among the classics of world literature. The cohesive plot device concerns the efforts of...

Clark, William

(Encyclopedia)Clark, William, 1770–1838, American explorer, one of the leaders of the Lewis and Clark expedition, b. Caroline co., Va.; brother of George Rogers Clark. He was an army officer (1792–96), serving ...

Eskimo-Aleut

(Encyclopedia)Eskimo-Aleut, family of Native American languages consisting of Aleut (spoken on the Aleutian Islands and the Kodiak Peninsula) and Eskimo or Inuktitut (spoken in Alaska, Canada, Greenland, and Siberi...

Francophonie, La

(Encyclopedia)Francophonie, La, officially the International Organization of the Francophonie, Fr. Organisation internationale de la Francophonie (OIF), an intergovernmental organization of mainly French-speaking n...