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tellurium

(Encyclopedia)tellurium tĕlo͝orˈēəm [key] [Lat.,=earth], semimetallic chemical element; symbol Te; at. no. 52; at. wt. 127.60; m.p. 450℃; b.p. 990℃; sp. gr. 6.24 at 20℃; valence −2, +4, or +6. Telluriu...

Tallapoosa

(Encyclopedia)Tallapoosa, river, 268 mi (431 km) long, rising in NW Ga. and flowing SW through E Ala.; joins the Coosa River near Montgomery, Ala., to form the Alabama River. Martin, Thurlow, and Yates dams provide...

Rose, Gustav

(Encyclopedia)Rose, Gustav go͝osˈtäf rōˈzə [key], 1798–1873, German mineralogist. He served as professor at the Univ. of Berlin from 1839. Noted especially as a crystallographer, he advanced the scientific ...

hertz

(Encyclopedia)hertz hûrts [key] [for Heinrich R. Hertz], abbr. Hz, unit of frequency, equal to 1 cycle per second. The term is combined with metric prefixes to denote multiple units such as the kilohertz (1,000 Hz...

Hartmann von Aue

(Encyclopedia)Hartmann von Aue härtˈmän fən ouˈə [key], c.1170–c.1220, German poet whose name is also spelled von Ouwe. His chivalric romances Erec and Iwain are tales of Arthurian legend. Other works inclu...

Hernández, José

(Encyclopedia)Hernández, José hōsāˈ ārnänˈdĕs [key], 1834–86, Argentine poet, journalist, and soldier. Hernández lived in the pampas as a child. He was the author of the national classic of gaucho liter...

King, Coretta Scott

(Encyclopedia)King, Coretta Scott, 1927–2006, American civil-rights leader, b. Heiberger, Ala.; the wife (1953–68) of Martin Luther King, Jr. After her husband's assassination, she carried on his civil-rights w...

Neruda, Jan

(Encyclopedia)Neruda, Jan yän nĕˈro͝odä [key], 1834–91, Czech essayist and poet, b. Prague. His popular Stories from Malá Strana (1878), tales drawn from his childhood in Prague and satiric portraits of mem...

Lorelei

(Encyclopedia)Lorelei lôrˈəlī, Ger. lōˈrəlī [key], cliff, 433 ft (132 m) high, on the right bank of the Rhine River, near St. Goarshausen, W Germany, about midway between Koblenz and Bingen. There the Rhine...

Tiryns

(Encyclopedia)Tiryns tīˈrĭnz [key], ancient city of Greece, in the NE Peloponnesus, 2.5 mi (4 km) N of Nauplia (now Návplion) and near Argos. The site seems to have been inhabited since the 3d millennium b.c. I...