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relapsing fever
(Encyclopedia)relapsing fever, infectious disease caused by a spirochete bacteria of the genus Borrelia and characterized by a high fever that breaks and then recurs a one to two weeks later. Relapsing fever may be...Pan-Africanism
(Encyclopedia)Pan-Africanism, general term for various movements in Africa that have as their common goal the unity of Africans and the elimination of colonialism and white supremacy from the continent. However, on...Uranus , in astronomy
(Encyclopedia)Uranus yo͝orāˈnəs, yo͝orˈə– [key], in astronomy, 7th planet from the sun, at a mean distance of 1.78 billion mi (2.87 billion km), with an orbit lying between those of Saturn and Neptune; its...combustion
(Encyclopedia)combustion, rapid chemical reaction of two or more substances with a characteristic liberation of heat and light; it is commonly called burning. The burning of a fuel (e.g., wood, coal, oil, or natura...evaporation
(Encyclopedia)evaporation, change of a liquid into vapor at any temperature below its boiling point. For example, water, when placed in a shallow open container exposed to air, gradually disappears, evaporating at ...falcon
(Encyclopedia)falcon, common name for members of the Falconidae, a heterogeneous family of long-winged birds of prey similar to the hawks but genetically more closely related to the parrots and other birds. True fa...blog
(Encyclopedia)blog, short for web log, an online, regularly updated journal or newsletter that is readily accessible to the general public by virtue of being posted on a website. Blogs typically report and comment ...bog
(Encyclopedia)bog, very old lake without inlet or outlet that becomes acid and is gradually overgrown with a characteristic vegetation (see swamp). Peat moss, or sphagnum, grows around the edge of the open water of...pitta
(Encyclopedia)pitta pĭtˈə [key], name used to refer to a genus (Pitta) of small, plump, brightly colored birds. The genus, including some twenty-three species, constitutes the whole of the family Pittidae. Known...Basquiat, Jean-Michel
(Encyclopedia)Basquiat, Jean-Michel bäsˌkē-ätˈ [key], 1960–88, American painter, b. Brooklyn, N.Y. Born into a middle-class Haitian and Puerto Rican family, he was a 1980s art star whose rise and fall were r...Browse by Subject
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