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Waterford, town, Republic of Ireland

(Encyclopedia)Waterford, town (1991 pop. 41,853), seat of Co. Waterford, S Republic of Ireland, on the Suir River near the head of Waterford Harbour. The port town is a center for the export of fruit, meat, and the...

chemical industry

(Encyclopedia)chemical industry, the business of using chemical reactions to turn raw materials, such as coal, oil, and salt, into a variety of products. During the 19th and 20th cent. technological advances in the...

nimbus, in art

(Encyclopedia)nimbus nĭmˈbəs [key], in art, the luminous disk or circle or other indication of light around the head of a sacred personage. It was used in Buddhist and other Asian art and by the early Greeks and...

rose window

(Encyclopedia)CE5 Rose window (Cathedral of Notre-Dame, Paris) rose window, large, stone-traceried, circular window of medieval churches. Romanesque churches of both England and the Continent had made use of th...

Sander, August

(Encyclopedia)Sander, August ouˈgo͝ost zänˈdər [key], 1876–1964, Austrian photographer. During his long life Sander made a remarkable composite portrait of the German people. He began his immense work in the...

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...

thallium

(Encyclopedia)thallium thălˈēəm [key], metallic chemical element; symbol Tl; at. no. 81; interval in which at. wt. ranges 204.382–204.385; m.p. 303.5℃; b.p. about 1,457℃; sp. gr. 11.85 at 20℃; valence +...

Toul

(Encyclopedia)Toul to͞ol [key], town (1990 pop. 17,702), Meurthe-et-Moselle dept., NE France, on the Moselle River. It is largely an agricultural center but has clothing and glass industries. A Gallo-Roman city, i...

Ban, Shigeru

(Encyclopedia)Ban, Shigeru, 1957–, Japanese architect. After graduating (1984) from the Cooper Union School of Architecture, New York City, he established (1985) a practice in Tokyo, later adding offices in Paris...