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cobaltite
(Encyclopedia)cobaltite kōˈbôltīt, kōbôlˈtīt [key], opaque, silver-white, sometimes reddish or grayish mineral of the pyrite group, a compound of cobalt, arsenic, and sulfur, CoAsS. It occurs in crystals of...carbon disulfide
(Encyclopedia)carbon disulfide, CS2, liquid organic compound; it is colorless, foul-smelling, flammable, and poisonous. It can be prepared by direct reaction of carbon, e.g., as charcoal, with sulfur. It is a widel...soot
(Encyclopedia)soot, black or dull brown deposit of fine powder resulting from incomplete combustion of fuel of high carbon content, e.g., coal, wood, and oil. It consists chiefly of amorphous carbon and tarry subst...copper, chemical element
(Encyclopedia)copper, metallic chemical element; symbol Cu [Lat. cuprum=copper]; at. no. 29; at. wt. 63.546; m.p. 1,083.4℃; b.p. 2,567℃; sp. gr. 8.96 at 20℃; valence +1 or +2. Copper and some of its alloys ha...Priestley, Joseph
(Encyclopedia)Priestley, Joseph, 1733–1804, English theologian and scientist. He prepared for the Presbyterian ministry and served several churches in England as pastor but gradually rejected orthodox Calvinism a...coal gas
(Encyclopedia)coal gas, gas obtained in the destructive distillation of soft coal, as a byproduct in the preparation of coke. Its composition varies, but in general it is made up largely of hydrogen and methane wit...Apo, Mount
(Encyclopedia)Apo, Mount äˈpō [key], active volcano, 9,690 ft (2,953 m) high, on S Mindanao island, the Philippines. It is the highest peak of the islands. Mt. Apo has a snowcapped appearance but is actually cov...Coatzacoalcos
(Encyclopedia)Coatzacoalcos kwätsäkwälˈkōs [key], city, Veracruz state, E central Mexico, at the mouth of the ...Sulphur, city, United States
(Encyclopedia)Sulphur, city (1990 pop. 20,125), Calcasieu parish, SW La.; inc. 1914. It is a trade center for an area producing natural gas, oil, and timber as well as sorghum, soybeans, cattle, and crawfish. Indus...Acireale
(Encyclopedia)Acireale äˌchērāäˈlā [key], city, E Sicily, Italy. Beautifully situated on a volcanic plateau near Mt. Etna and near the Ionian Sea, Acireale has been frequented si...Browse by Subject
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