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Este, Italian noble family

(Encyclopedia)Este ĕsˈtā [key], Italian noble family, rulers of Ferrara (1240–1597) and of Modena (1288–1796) and celebrated patrons of the arts during the Renaissance. Probably of Lombard origin, they took ...

Popes of the Roman Catholic Church (table)

(Encyclopedia)Popes of the Roman Catholic ChurchIn the following list, the date of election, rather than of consecration, is given. Before St. Victor I (189), dates may err by one year. Antipopes—i.e., those men...

Arianism

(Encyclopedia)Arianism ârˈēənĭzˌəm [key], Christian heresy founded by Arius in the 4th cent. It was one of the most widespread and divisive heresies in the history of Christianity. As a priest in Alexandria,...

war crimes

(Encyclopedia)war crimes, in international law, violations of the laws of war (see war, laws of). Those accused have been tried by their own military and civilian courts, by those of their enemy, and by expressly e...

Sierra Leone

(Encyclopedia)CE5 Sierra Leone sēĕrˈə lēōˈnē, lēōnˈ; sērˈə lēōn [key], officially Republic of Sierra Leone, republic (2015 est. pop. 5,879,000), 27,699 sq mi (71,740 sq km), W Africa. It is borde...

criticism

(Encyclopedia)criticism, the interpretation and evaluation of literature and the arts. It exists in a variety of literary forms: dialogues (Plato, John Dryden), verse (Horace, Alexander Pope), letters (John Keats),...

Counter Reformation

(Encyclopedia)Counter Reformation, 16th-century reformation that arose largely in answer to the Protestant Reformation; sometimes called the Catholic Reformation. Although the Roman Catholic reformers shared the Pr...

atom

(Encyclopedia)CE5 Bohr-Rutherford atom CE5 Probability distribution of the electron in the hydrogen atom: A. Ground state B. Highly excited state atom [Gr.,=uncuttable (indivisible)], basic unit of matte...

chemistry

(Encyclopedia)chemistry, branch of science concerned with the properties, composition, and structure of substances and the changes they undergo when they combine or react under specified conditions. Organic chemi...

scene design and stage lighting

(Encyclopedia)scene design and stage lighting, settings and illumination designed for theatrical productions. See also drama, Western; Asian drama; theater; directing; acting. Scene designers in the early 20th ce...