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Trás-os-Montes

(Encyclopedia)Trás-os-Montes träˈzo͝ozhmônˌtĕsh [key], former province of NE Portugal, comprising the districts of Bragança and Vila Real. The capital was Bragança. It is now included with other territory ...

bud

(Encyclopedia)bud, in lower plants and animals, a protuberance from which a new organism or limb develops; in seed plants, a miniaturized twig bearing compressed rudimentary lateral stems (branches), leaves, or flo...

Kaliningrad

(Encyclopedia)Kaliningrad kəlyēˌnyĭn-grätˈ [key], formerly Königsberg, city (1989 pop. 401,000), capital of Kaliningrad region, an exclave of W European Russia; on the Pregolya River near its mouth on the Vi...

skin

(Encyclopedia)CE5 Cross section of skin skin, the flexible tissue (integument) enclosing the body of vertebrate animals. In humans and other mammals, the skin operates a complex organ of numerous structures (so...

Worcester, Noah

(Encyclopedia)Worcester, Noah wo͝osˈtər [key], 1758–1837, American Congregational clergyman, b. Hollis, N.H. He was pastor (1787–1810) at Thornton, N.H. From 1813 to 1818 he was the first editor of the Chris...

hydrothermal vent

(Encyclopedia)hydrothermal vent, crack along a rift or ridge in the deep ocean floor that spews out water heated to high temperatures by the magma under the earth's crust. Some vents are in areas of seafloor spread...

castor oil

(Encyclopedia)castor oil, yellowish oil obtained from the seed of the castor bean. The oil content of the seeds varies from about 20% to 50%. After the hulls are removed the seeds are cold-pressed. Medicinal castor...

Blakeslee, Albert Francis

(Encyclopedia)Blakeslee, Albert Francis, 1874–1954, American botanist, b. Genesee, New York. He received his Ph.D. at Harvard (1904) and was a member of the faculty until 1907. After several years as professor at...

Marsh test

(Encyclopedia)Marsh test, method for the detection of arsenic, so sensitive that it can be used to detect minute amounts of arsenic in foods (the residue of fruit spray) or in stomach contents. The sample is placed...

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