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smaltite

(Encyclopedia)smaltite smôlˈtīt [key], opaque tin-white to steel-gray mineral of the pyrite group, a compound of cobalt and arsenic. It occurs in massive form, occasionally in crystals (cubes) of the isometric s...

aniline

(Encyclopedia)aniline ănˈəlĭn [key], C6H5NH2, colorless, oily, basic liquid organic compound; chemically, a primary aromatic amine whose molecule is formed by replacing one hydrogen atom of a benzene molecule w...

crystal

(Encyclopedia)CE5 Types of crystal crystal, a solid body bounded by natural plane faces that are the external expression of a regular internal arrangement of constituent atoms, molecules, or ions. The formation...

Qinghai

(Encyclopedia)Qinghai or Tsinghai both: chĭngˈhīˈ [key], province (2010 pop. 5,626,722), c.279,000 sq mi (722,797 sq km), W China. Xining is the capital. Qinghai lies in the Tibetan highlands at an average elev...

absorption

(Encyclopedia)absorption [Lat.,=sucking from], taking of molecules of one substance directly into another substance. It is contrasted with adsorption, in which the molecules adhere only to the surface of the second...

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...

pemmican

(Encyclopedia)pemmican pĕmˈĭkən [key], a travel food of the Native North American. Slices of lean venison or buffalo meat were sun dried, pounded to a paste, and packed with melted fat in rawhide bags. Dried cu...

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...

Madura

(Encyclopedia)Madura or Madoera both: mädo͝oˈrä [key], island (1990 pop. 3,015,124), c.1,760 sq mi (4,560 sq km), Indonesia, near the northeast coast of Java, from which it is separated by Madura Strait. The is...

Saginaw, city, United States

(Encyclopedia)Saginaw săgˈĭnô [key], city (1990 pop. 69,512), seat of Saginaw co., S Mich., on the Saginaw River, 15 mi (24 km) from its mouth on Saginaw Bay (an inlet of Lake Huron); settled 1816, inc. 1857. S...