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Chauvin, Yves

(Encyclopedia)Chauvin, Yves, 1930–2015, French chemist, b. Menen, Belgium, grad. Lyon School of Chemistry, Physics, and Electronics (CPE), 1954. Chauvin was a research engineer (1960–91) and then research direc...

Chiba

(Encyclopedia)Chiba chēˈbä [key], city, capital of Chiba prefecture, central Honshu, Japan, on Tokyo Bay...

butane

(Encyclopedia)butane byo͞oˈtān [key], C4H10, gaseous alkane, a hydrocarbon that is obtained from natural gas or by refining petroleum. It can be liquefied at room temperature by compression. There are two struct...

Tartus

(Encyclopedia)Tartus tärto͞osˈ [key], town (1995 est. pop. 130,000), W Syria, a port on the Mediterranean Sea. Olive oil is pressed, and petroleum, phosphates, fish, and agricultural produce are shipped. The tow...

Saratov

(Encyclopedia)Saratov səräˈtəf [key], city (1991 est. pop. 910,000), capital of Saratov region, E European Russia, on the Volga River. It is a major industrial, transportation, and cultural center of the lower ...

Batumi

(Encyclopedia)Batumi bəto͝omˈ [key], city (2021 est. pop. 121,806), capital of Adjarian Autonomous R...

child labor

(Encyclopedia)child labor, use of the young as workers in factories, farms, mines, and other facilities, especially in work that is physically hazardous or morally, socially, or mentally harmful, involves a form of...

Gallic Wars

(Encyclopedia)Gallic Wars gălˈĭk [key], campaigns in Gaul led by Julius Caesar in his two terms as proconsul of Cisalpine Gaul, Transalpine Gaul, and Illyricum (58 b.c.–51 b.c.). Caesar's first campaign was to...

steel industry

(Encyclopedia)steel industry, the business of processing iron ore into steel, which in its simplest form is an iron-carbon alloy, and in some cases, turning that metal into partially finished products or recycling ...

Labor Day

(Encyclopedia)Labor Day, holiday celebrated in the United States and Canada on the first Monday in September to honor the laborer. It was inaugurated by the Knights of Labor in 1882 and made a national holiday by t...