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Magnus, Heinrich Gustav
(Encyclopedia)Magnus, Heinrich Gustav hīnˈrĭkh go͝osˈtäf mägˈno͝os [key], 1802–70, German chemist, physicist, and educator. In 1831 he became lecturer and in 1834 professor of physics and technology at t...obsidian
(Encyclopedia)obsidian ŏbsĭdˈēən [key], a volcanic glass, homogeneous in texture and having a low water content, with a vitreous luster and a conchoidal fracture. The color is commonly black, but may be some s...Martin, Micheál
(Encyclopedia)Martin, Micheál, 1960–, Irish political leader. He briefly taught history before being elected (1985) to the Cork local government, and served (1992–93) as lord mayor of the city. A member of Fia...pigweed
(Encyclopedia)pigweed, name for several weedy plants, particularly the common pigweed or lamb's-quarters of the family Chenopodiaceae (goosefoot family), the rough pigweed, or green amaranth, of the related family ...Papahānaumokuākea Marine National Monument
(Encyclopedia)Papahānaumokuākea Marine National Monument, 582,578 sq mi (1,508,870 sq km), in the Pacific Ocean surrounding the NW Hawaiian Islands, c.270 mi (435 km) NW of Oahu; est. 2006 as Northwestern Hawaiia...Cornell, Katharine
(Encyclopedia)Cornell, Katharine, 1898–1974, American actress, b. Berlin. Cornell made her debut in 1916 with the Washington Square Players. In 1921 she married Guthrie McClintic, a producer-director. From their ...Christmasberry
(Encyclopedia)Christmasberry or toyon tōˈyən [key], evergreen tree or shrub (Photinia arbutifolia) of the family Rosaceae (rose family), found on the Pacific coast of North America. Its white flowers are followe...amphibole
(Encyclopedia)amphibole ămˈfəbōlˌ [key], any of a group of widely distributed rock-forming minerals, magnesium-iron silicates, often with traces of calcium, aluminum, sodium, titanium, and other elements. The ...Protista
(Encyclopedia)Protista prōˌtŏktĭsˈtə [key], in the five-kingdom system of classification, a kingdom comprising a variety of unicellular and some simple multinuclear and multicellular eukaryotic organisms. Pro...lemon
(Encyclopedia)lemon, one of the citrus fruits, from a tree (Citrus limon) of the family Rutaceae (orange family), probably native to India. A small tree (to about 15 ft/5 m tall) with thorny branches and purple-edg...Browse by Subject
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