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slate

(Encyclopedia)slate, fine-grained rock formed when sedimentary rocks such as shale are metamorphosed by great pressure. Slate splits into perfectly cleaved, broad thin layers; this characteristically regular and pl...

state flowers

(Encyclopedia)state flowers. Each state of the United States has designated, usually by legislative action, one flower as its floral emblem; the rose has been designated by Congress as the national flower of the Un...

Al-Biruni, Abu Rayhan Muhammad ibn Ahmad

(Encyclopedia)Al-Biruni or Al Beruni, Abu Rayhan Muhammad ibn Ahmad äbo͞oˈ rīhänˈ məhămˈĭd ĭbˈən äˈməd ăl-bēro͞oˈnē, ăl bĕro͞oˈnē [key], b. 973, d. after 1050, Central Asian scientist. His...

Chersonese

(Encyclopedia)Chersonese –nēˈsəs [key] [Gr.,=peninsula], name applied in ancient geography to several regions. See Crimea (Chersonesus Taurica or Scythia); Gallipoli Peninsula (Chersonesus Thracica); Malay Pen...

Gleason, Henry Allan

(Encyclopedia)Gleason, Henry Allan glēˈsən [key], 1882–1975, American botanist, plant geographer, and plant ecologist. His floristic studies of North American vegetation led to his “individualistic concept o...

Levasseur, Émile

(Encyclopedia)Levasseur, Émile (Pierre Émile Levasseur) pyĕr āmēlˈ lüväsörˈ [key], 1828–1911, French economist. He was noted especially for his historical approach to the study of economics. He studied ...

Stuck, Hudson

(Encyclopedia)Stuck, Hudson, 1863–1920, American missionary and explorer, b. London, England. He emigrated to the United States in 1885, graduated from the Univ. of the South (1892), and was dean (1894–1904) of...

Scoresby, William

(Encyclopedia)Scoresby, William skôrzˈbē [key], 1789–1857, English arctic explorer and scientist. He made yearly voyages (1803–22) to Greenland, at first on his father's whaler, later as captain on other shi...

Duane, James

(Encyclopedia)Duane, James dwān, dəwānˈ [key], 1733–97, political figure in the American Revolution, b. New York City. Admitted to the bar in 1754, Duane soon gained renown and wealth as a lawyer. Although he...

Fenneman, Nevin M.

(Encyclopedia)Fenneman, Nevin M. nĕvˈĭn fĕnˈəmən [key], 1865–1945, American geologist, geographer, and teacher, b. Lima, Ohio; B.A. (1883) Heidelberg College, Ohio; M.A. (1900); Ph.D. (1901) Univ. of Chica...