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Sudbury, city, Canada

(Encyclopedia)Sudbury, city (1991 pop. 92,884), central Ont., Canada. It is the center of Canada's largest mining region, which produces much of the world's nickel and large quantities of copper, platinum, gold, si...

plating

(Encyclopedia)plating, application of a plate, or coat, of metal to a surface for decoration, reflection of light, protection against corrosion, or increased wearing quality. The practice is of ancient origin: gild...

Grandville, city, United States

(Encyclopedia)Grandville, city (2020 pop. 16,083), Kent co., W Mich., on the Grand River, in a farm area; settled 1833, inc. as a city 1933. Transportation and silver...

Pingquan

(Encyclopedia)Pingquan or Pingchüan both: pĭng-chwän [key], town, NE Hebei prov., China. It is a trade center. Gold and silver are mined nearby. The town was formerly called Bakou (Pakow). ...

hydrogen sulfide

(Encyclopedia)hydrogen sulfide, chemical compound, H2S, a colorless, extremely poisonous gas that has a very disagreeable odor, much like that of rotten eggs. It is slightly soluble in water and is soluble in carbo...

Tabor, Horace Austin Warner

(Encyclopedia)Tabor, Horace Austin Warner tāˈbər [key], 1830–99, American prospector, known as Silver Dollar Tabor, b. Holland, Vt. From the Matchless Mine at Leadville, Colo., he gained tremendous wealth by m...

zakat

(Encyclopedia)zakat zə-kätˈ [key] [Arab.,=purification], Islamic religious tax, one of the five basic requirements (arkan or “pillars”) of Islam. All adult Muslims of sound mind and body with a set level of ...

Cleveland, Grover

(Encyclopedia)Cleveland, Grover (Stephen Grover Cleveland), 1837–1908, 22d (1885–89) and 24th (1893–97) President of the United States, b. Caldwell, N.J.; son of a Presbyterian clergyman. Cleveland's independ...

Cobalt, town, Canada

(Encyclopedia)Cobalt kōˈbôlt [key], town, E Ont., Canada, NE of Sudbury, near Lake Timiskaming. Once a c...

Linares

(Encyclopedia)Linares lēnäˈrās [key], city (1990 pop. 59,150), Jaén prov., S Spain, in Andalusia. The rich silver and lead mines nearby have brought prosperity to the city, which now has many metallurgical ind...