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barium

(Encyclopedia)barium bârˈēəm [key] [Gr.,=heavy], metallic chemical element; symbol Ba; at. no. 56; at. wt. 137.327; m.p. 725℃; b.p. 1,640℃; sp. gr. 3.5 at 20℃; valence +2. Barium is a soft, silver-white, ...

nitrate

(Encyclopedia)nitrate, chemical compound containing the nitrate (NO3) radical. Nitrates are salts or esters of nitric acid, HNO3, formed by replacing the hydrogen with a metal (e.g., sodium or potassium) or a radic...

Beaubourg

(Encyclopedia)Beaubourg zhôrzh pôNpēdo͞oˈ [key], museum in Paris, France; the popular name is derived from the district in which it is located. Proposed by French president Georges Pompidou in 1969, the center...

technetium

(Encyclopedia)technetium tÄ•knēˈshÄ“É™m [key] [Gr. technetos=artificial], artificially produced radioactive chemical element; symbol Tc; at. no. 43; mass no. of most stable isotope 98; m.p. 2,200℃; b.p. 4,877â„...

Cádiz

(Encyclopedia)Cádiz käˈdēth [key], city, capital of Cádiz prov., SW Spain, in Andalusia, on the Bay of...

cesium

(Encyclopedia)cesium sēˈzēəm [key] [Lat.,=bluish gray], a metallic chemical element; symbol Cs; at. no. 55; at. wt. 132.90545; m.p. 28.4℃; b.p. 669.3℃; sp. gr. 1.873 at 20℃; valence +1. Cesium is a ductil...

Persian art and architecture

(Encyclopedia)Persian art and architecture, works of art and structures produced in the region of Asia traditionally known as Persia and now called Iran. Bounded by fierce mountains and deserts, the high plateau of...

Lahore

(Encyclopedia)Lahore ləhôrˈ [key], city (1998 pop. 5,063,499), capital of Punjab prov., E central Pakistan, on the Ravi River. It is the second largest city of Pakistan. A railway and air transport center near t...

Mojave Desert

(Encyclopedia)Mojave or Mohave Desert, c.15,000 sq mi (38,850 sq km), region of low, barren mountains and flat valleys, 2,000 to 5,000 ft (610–1,524 m) high, S Calif.; part of the Great Basin of the United States...

Messiah

(Encyclopedia)Messiah məsīˈəs [key] [Heb.,=anointed], in Judaism, a man who would be sent by God to restore Israel and reign righteously for all humanity. The idea developed among the Jews especially in their a...