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tantalum

(Encyclopedia)tantalum tănˈtələm [key] [from Tantalus], metallic chemical element; symbol Ta; at. no. 73; at. wt. 180.94788; m.p. 2,996℃; b.p. 5,400±100℃; sp. gr. 16.65 at 20℃; valence +2, +3, +4, or +5....

Witwatersrand

(Encyclopedia)Witwatersrand wĭtwôˈtərzrăndˌ [key] [Afrik.,=white water ridge] or the Rand, region, Gauteng prov. (formerly a part of Transvaal), South Africa. The area, which forms the watershed between the V...

bootlegging

(Encyclopedia)bootlegging, in the United States, the illegal distribution or production of liquor and other highly taxed goods. First practiced when liquor taxes were high, bootlegging was instrumental in defeating...

Tel Aviv

(Encyclopedia)Tel Aviv tĕl əvēvˈ [key], city (1994 pop. 355,200), W central Israel, on the Mediterranean Sea. Oficially named Tel Aviv–Jaffa, it is Israel's commercial, financial, communications, and cultural...

Antwerp, city, Belgium

(Encyclopedia)Antwerp, Du. Antwerpen, Fr. Anvers, city (2020 pop. 1,042,000), capital of Antwerp prov., N Belgium, on the Scheldt River. It is one of the busiest ports in Europe; a commercial, in...

viper

(Encyclopedia)viper, any of a large number of heavy-bodied, poisonous snakes of the family Viperidae, characterized by erectile, hypodermic fangs. The fangs are folded back against the roof of the mouth except when...

diffraction

(Encyclopedia)diffraction, bending of waves around the edge of an obstacle. When light strikes an opaque body, for instance, a shadow forms on the side of the body that is shielded from the light source. Ordinarily...

fullerene

(Encyclopedia)fullerene, any of a class of carbon molecules in which the carbon atoms are arranged into 12 pentagonal faces and 2 or more hexagonal faces to form a hollow sphere, cylinder, or similar figure. The sm...

Abrahams, Peter

(Encyclopedia)Abrahams, Peter, 1919–2017, South African novelist and journalist, b. Peter Henry Abrahams Deras. Though he lived mostly in exile, he exposed the injustices of the apartheid system and the politics ...

British Library

(Encyclopedia)British Library, national library of Great Britain, located in London; one of the world's great libraries. Long a part of the British Museum, the library collection originated in 1753 when the governm...