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Grand Island

(Encyclopedia)Grand Island <1> City (2020 pop. 53,131), seat of Hall co., S Nebr., on the Wood River near its junction with the Platte; settled 1857 on the Plat...

polyhedron

(Encyclopedia)CE5 Polyhedrons polyhedron pŏlˌēhēˈdrən [key], closed solid bounded by plane faces; each face of a polyhedron is a polygon. A cube is a polyhedron bounded by six polygons (in this case squar...

jeopardy

(Encyclopedia)jeopardy, in law, condition of a person charged with a crime and thus in danger of punishment. At common law a defendant could be exposed to jeopardy for the same offense only once; exposing a person ...

animal-rights movement

(Encyclopedia)animal-rights movement, diverse individuals and groups concerned with protecting animals from perceived abuse or misuse. Supporters are specifically concerned with the use of animals for medical and c...

Johnson, Reverdy

(Encyclopedia)Johnson, Reverdy, 1796–1876, American lawyer and statesman, b. Annapolis, Md. Admitted to the bar in 1816, he served in the Maryland legislature (1821–28) and the U.S. Senate (1845–49) and was a...

perpetual-motion machine

(Encyclopedia)perpetual-motion machine, device that would be able to operate continuously and supply useful work, in violation of the laws of thermodynamics. A machine that would produce more energy in the form of ...

electoral college

(Encyclopedia)electoral college, in U.S. government, the body of electors that chooses the president and vice president. The Constitution, in Article 2, Section 1, provides: “Each State shall appoint, in such Man...

Leterme, Yves

(Encyclopedia)Leterme, Yves ēv lĕtûrˈmĕ [key], 1960–, Belgian political leader, prime minister of Belgium (2008, 2009–11), grad. Catholic Univ. of Leuvan (LL.B., 1981), Ghent Univ. (M.A., 1985). A Dutch-sp...

membrane

(Encyclopedia)membrane, structure composed mostly of lipid and protein that forms the external boundary of cells and of major structures within cells. Membrane organization is based on a sheet two molecules thick�...

asylum

(Encyclopedia)asylum əsīˈləm [key], extension of hospitality and protection to a fugitive and the place where such protection is offered. The use of temples and churches for this purpose in ancient and medieval...