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flat-coated retriever

(Encyclopedia)flat-coated retriever, breed of large sporting dog developed in England in the mid-19th cent. It stands about 23 in. (58 cm) high at the shoulder and weighs about 65 lb (30 kg). Its dense, flat coat o...

amethyst

(Encyclopedia)amethyst ămˈəthĭst [key] [Gr.,=non-drunkenness], variety of quartz, violet to purple in color, used as a gem. It is the most highly valued of the semiprecious quartzes. It is associated with a num...

Duveneck, Frank

(Encyclopedia)Duveneck, Frank dyo͞oˈvənĕk [key], 1848–1919, American portrait and genre painter and teacher, b. Covington, Ky., studied in Cincinnati and in Munich. In 1875 he showed a group of his canvases i...

Chevreul, Michel Eugène

(Encyclopedia)Chevreul, Michel Eugène mēshĕlˈ özhĕnˈ shəvrölˈ [key], 1786–1889, French chemist. He studied under L. N. Vauquelin, was director of the Gobelin tapestry works, and from 1830 was professor,...

Scottish terrier

(Encyclopedia)Scottish terrier, breed of short-legged terrier perfected in Scotland in the mid-19th cent. It stands about 10 in. (25 cm) high at the shoulder and weighs from 18 to 22 lb (8.2–10.0 kg). Its dense, ...

podzol

(Encyclopedia)podzol pŏdˈsŏl [key] or podzolic soil, member of a group of soils that are gray in color, have an ashy appearance, and extend immediately south of the tundra regions of the Northern Hemisphere. Alt...

Pye, John

(Encyclopedia)Pye, John, 1782–1874, English engraver, founder of modern landscape engraving. As an illustrator for popular art annuals, he executed plates for landscapes by J. M. W. Turner, Claude Lorrain, and Ga...

aureole, in physics

(Encyclopedia)aureole ôrˈēōlˌ [key], in physics, luminous circle seen when the sun or other bright light is observed through a diffuse medium, i.e., smoke, thin cloud, fog, haze, or mist. It sometimes occurs a...

veal

(Encyclopedia)veal, flesh of a calf from two to three months old weighing usually less than 300 lb (135 kg). The locomotion of the veal calves is often restricted, and they are fed a real or synthetic milk that is ...

sphalerite

(Encyclopedia)sphalerite sfălˈərīt, sfāˈ– [key], mineral composed of zinc sulfide, usually containing some iron and a little cadmium. It occurs in crystals of the isometric system but more generally in clea...