Columbia Encyclopedia

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illustration

(Encyclopedia)illustration, any type of picture or decoration used in conjunction with a text to embellish its appearance or to clarify its meaning. Illustration is as old as writing, with both originating in the p...

antiparticle

(Encyclopedia)antiparticle, elementary particle corresponding to an ordinary particle such as the proton, neutron, or electron, but having the opposite electrical charge and magnetic moment. Every elementary partic...

supernova

(Encyclopedia)supernova, a massive star in the latter stages of stellar evolution that suddenly contracts and then explodes, increasing its energy output as much as a billionfold. Supernovas are the principal distr...

American Federation of Labor and Congress of Industrial Organizations

(Encyclopedia)American Federation of Labor and Congress of Industrial Organizations (AFL-CIO), a federation of autonomous labor unions in the United States, Canada, Mexico, Panama, and U.S. dependencies, formed in ...

Inca

(Encyclopedia)Inca ĭngˈkə [key], pre-Columbian empire, W South America. The name Inca may specifically refer to the emperor, but is generally used to mean the empire or the people. When Francisco Pizarro lande...

Papua New Guinea

(Encyclopedia)Papua New Guinea păpˈo͞oə, –yo͞oə, gĭnˈē [key], officially Independent State of Papua New Guinea, independent Commonwealth nation (2015 est. pop. 6,672,000), 183,540 sq mi (475,369 sq km), ...

Jacobites

(Encyclopedia)Jacobites jăkˈəbītsˌ [key], adherents of the exiled branch of the house of Stuart who sought to restore James II and his descendants to the English and Scottish thrones after the Glorious Revolut...

Whitman, Walt

(Encyclopedia)Whitman, Walt (Walter Whitman), 1819–92, American poet, b. West Hills, N.Y. Considered by many to be the greatest of all American poets, Walt Whitman celebrated the freedom and dignity of the indivi...

ballad

(Encyclopedia)ballad, in literature and music, short, narrative poem or song usually relating a single, dramatic event. Two forms of the ballad are often distinguished—the folk ballad, dating from about the 12th ...

alien

(Encyclopedia)alien, in law, any person residing in one political community while owing allegiance to another. A procedure known as naturalization permits aliens to become citizens. Each nation establishes conditio...