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Etruscan art

(Encyclopedia)Etruscan art ĭtrŭsˈkən [key], the art of the inhabitants of ancient Etruria, which, by the 8th cent. b.c., incorporated the area in Italy from Salerno to the Tiber River (see Etruscan civilization...

Bierce, Ambrose Gwinett

(Encyclopedia)Bierce, Ambrose Gwinett ămˈbrōz gwĭnĕtˈ bĭrs [key], 1842–1914?, American satirist, journalist, and short-story writer, b. Meigs co., Ohio. He fought with extreme bravery in the Civil War, and...

solar wind

(Encyclopedia)solar wind, stream of ionized hydrogen—protons and electrons—with an 8% component of helium ions and trace amounts of heavier ions that radiates outward from the sun at high speeds. The continuous...

Ruthven

(Encyclopedia)Ruthven rĭvˈən, ro͞othˈvən [key], Scottish noble family, believed to trace its ancestry to Thor, a Saxon or Dane, who settled in Scotland in the reign of David I. The name is derived from lands ...

Swedenborg, Emanuel

(Encyclopedia)Swedenborg, Emanuel swēdˈənbôrg; āmäˈno͞oĕl svāˌdənbōrkˈ [key], 1688–1772, Swedish scientist, religious teacher, and mystic. His religious system, sometimes called Swedenborgianism, is...

mercury poisoning

(Encyclopedia)mercury poisoning, tissue damage resulting from exposure to more than trace amounts of the element mercury or its compounds. Elemental mercury (the silver liquid familiar from thermometers) is the mos...

lithium

(Encyclopedia)lithium lĭthˈēəm [key] [Gr.,=stone], metallic chemical element; symbol Li; at. no. 3; interval in which at. wt. ranges 6.938–6.997; m.p. about 180.54℃; b.p. about 1,342℃; sp. gr. .534 at 20�...

Arendt, Hannah

(Encyclopedia)Arendt, Hannah hänˈä ärˈənt [key], 1906–75, German-American political theorist, b. Hanover, Germany, B.A. Königsberg, 1924, Ph.D. Heidelberg, 1928. In 1925 she met Martin Heidegger, who great...

skeleton, in anatomy

(Encyclopedia)CE5 Human skeleton skeleton, in anatomy, the stiff supportive framework of the body. The two basic types of skeleton found among animals are the exoskeleton and the endoskeleton. The shell of the ...

potato

(Encyclopedia)potato or white potato, common name for a perennial plant (Solanum tuberosum) of the family Solanaceae (nightshade family) and for its swollen underground stem, a tuber, which is one of the most widel...