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fainting
(Encyclopedia) fainting or syncopefaintingsĭngˈkəpē [key], temporary loss of consciousness caused by an insufficient supply of oxygen to the brain. It can be concurrent with any serious disease or…Tenure of Office Act
(Encyclopedia) Tenure of Office Act, in U.S. history, measure passed on Mar. 2, 1867, by Congress over the veto of President Andrew Johnson; it forbade the President to remove any federal…Wegener, Alfred Lothar
(Encyclopedia) Wegener, Alfred LotharWegener, Alfred Lotharälˈfrĕt lōtärˈ vĕgˈənər [key], 1880–1930, German geologist, meteorologist, and Arctic explorer. Early in his life, he was on the staff of…benefit of clergy
(Encyclopedia) benefit of clergy, term originally applied to the exemption of Christian clerics from criminal prosecution in the secular courts. The privilege was established by the 12th cent., and…sea urchin
(Encyclopedia) sea urchin, spherical-shaped echinoderm with movable spines covering the body. The body wall is a firm, globose shell, or test, made of fused skeletal plates and marked by regularly…programmed instruction
(Encyclopedia) programmed instruction, method of presenting new subject matter to students in a graded sequence of controlled steps. Students work through the programmed material by themselves at…octane number
(Encyclopedia) octane number, figure of merit representing the resistance of gasoline to premature detonation when exposed to heat and pressure in the combustion chamber of an internal-combustion…Roe v. Wade
(Encyclopedia) Roe v. Wade, case decided in 1973 by the U.S. Supreme Court. Along with Doe v. Bolton, this decision legalized abortion in the first…Marshall Islands
(Encyclopedia) Marshall Islands, officially Republic of the Marshall Islands, independent nation (2015 est. pop. 53,000), in the central Pacific. The Marshalls extend over a 700-mi (1,130-km) area…AIDS, in medicine
(Encyclopedia) AIDS or acquired immunodeficiency syndrome, fatal disease caused by a rapidly mutating retrovirus that attacks the immune system and leaves the victim vulnerable to infections,…Trending
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