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cyclohexane

(Encyclopedia)cyclohexane sīˌkləhĕkˈsān [key], C6H12, colorless liquid hydrocarbon. It is a cyclic alkane that melts at 6℃ and boils at 81℃. It is nearly insoluble in water. Cyclohexane is found naturally...

Matruh

(Encyclopedia)Matruh mätro͞oˈ [key], town (1986 pop. 43,157), NW Egypt, near the Mediterranean Sea. Built at the site of the Roman town of Paraetonium, it is located on the coast road and is on a railway that li...

Tirole, Jean Marcel

(Encyclopedia)Tirole, Jean Marcel, 1953–, French economist, Ph.D. Massachusetts Institute of Technology, 1981. He was a professor of at the Massachusetts Institute of Technology (1984–91) and École Polytechniq...

SARS

(Encyclopedia)SARS or severe acute respiratory syndrome, communicable viral disease that can progress to a potentially fatal pneumonia. The first symptoms of SARS are usually a high fever, headache and body aches, ...

Abel, Sir Frederick Augustus

(Encyclopedia)Abel, Sir Frederick Augustus, 1826–1902, English chemist, an authority on explosives. He was professor of chemistry at the Royal Military Academy (1851–55) and chemist to the War Dept. and governm...

Pitch Lake

(Encyclopedia)Pitch Lake, pool of pitch (asphalt), c.114 acres (46 hectares), SW Trinidad island, Trinidad and Tobago, near La Brea. The lake is believed to be formed and supplied by the seepage of natural pitch, a...

Salon-de-Provence

(Encyclopedia)Salon-de-Provence sälôNˈ-də-prôväNsˈ [key], town (1990 pop. 35,041), Bouches-du-Rhône dept., SE France. Its major manufactures are olive oil, petroleum products, coffee, and soap. In the town ...

Schengen Agreement

(Encyclopedia)Schengen Agreement shĕngˈən [key], agreement signed in 1985 in Schengen, Luxembourg, by several European Community (now the European Union; EU) to establish a mutual visa policy that would permit f...

minimum wage

(Encyclopedia)minimum wage, lowest wage legally permitted in an industry or in a government or other organization. The goal in establishing minimum wages has been to assure wage earners a standard of living above t...