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Müller, Johannes Peter

(Encyclopedia)Müller, Johannes Peter mŭlˈər [key], 1801–58, German physiologist and anatomist. From 1833 until the end of his career he was professor at Berlin. He was famed as a teacher; for his extensive r...

lignite

(Encyclopedia)lignite lĭgˈnīt [key] or brown coal, carbonaceous fuel intermediate between coal and peat, brown or yellowish in color and woody in texture. It contains more moisture than coal and tends to dry and...

Negro, Río, river, Colombia, Venezuela, and Brazil

(Encyclopedia)Negro, Río rēˈō nāˈgrō [key], river, c.1,400 mi (2,250 km) long, rising as the Guainía River in E Colombia where it flows NE before turning south to form part of the Colombia-Venezuela border....

latex

(Encyclopedia)latex, emulsion of a polymer (e.g., rubber) in water (see colloid). Natural latexes are produced by a number of plants, are usually white in color, and often contain, in addition to rubber, various gu...

Labrador retriever

(Encyclopedia)Labrador retriever, breed of large sporting dog whose origins are obscure but whose immediate ancestors were developed in Newfoundland and brought to England in the early 1800s. It stands about 23 in....

Chesapeake Bay retriever

(Encyclopedia)Chesapeake Bay retriever, breed of large sporting dog developed in the United States. It stands about 24 in. (61 cm) high at the shoulder and weighs about 65 lb (29.5 kg). Its thick, short double coat...

Dufy, Raoul

(Encyclopedia)Dufy, Raoul räo͞olˈ düfēˈ [key], 1877–1953, French painter, illustrator, and decorator, studied at the École des Beaux-Arts. After meeting Matisse he abandoned his early impressionist style a...

Hall, John Lewis

(Encyclopedia)Hall, John Lewis, 1934–, American physicist, b. Denver, Colo., Ph.D. Carnegie Institute of Technology, 1961. He has been a researcher at the National Bureau of Standards in Boulder, Colo., since 196...

Purkinje, Johannes Evangelista

(Encyclopedia)Purkinje, Johannes Evangelista yōhänˈəs āˌväng-gālĭsˈtä po͝orˈkĭnyā [key], 1787–1869, Czech physiologist. While professor (1823–50) at the Univ. of Breslau he pioneered in establish...

silky terrier

(Encyclopedia)silky terrier, breed of agile, spirited toy dog originated in Australia in the early 20th cent. It stands about 10 in. (25 cm) high at the shoulder and weighs from 8 to 10 lb (3.6.–4.5 kg). Its silk...
 

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