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Franciscans

(Encyclopedia)Franciscans frănsĭsˈkənz [key], members of several Roman Catholic religious orders following the rule of St. Francis (approved by Honorius III, 1223). There are now three organizations of Francisc...

Arabian music

(Encyclopedia)Arabian music, classical musical tradition of the Islamic peoples of Arabia, the Fertile Crescent, and North Africa. Little is known of Arabian music before the Hegira (a.d. 622), but afterward unde...

sodium chloride

(Encyclopedia)sodium chloride, NaCl, common salt. Salt is important in many ways. It is an essential part of the diet of both humans and animals and is a part of most animal fluids, such as blood, sweat, and te...

poliomyelitis

(Encyclopedia)poliomyelitis pōˌlēōmīˌəlīˈtĭs [key], polio, or infantile paralysis, acute viral infection, mainly of children but also affecting older persons. Historically, there were three immunologic ty...

Rossetti, Dante Gabriel

(Encyclopedia)Rossetti, Dante Gabriel rōsĕtˈē [key], 1828–82, English poet and painter; son of Gabriele Rossetti and brother of Christina Rossetti. He attended the Royal Academy and studied painting briefly ...

cathedral

(Encyclopedia)CE5 Floor plan of a cathedral cathedral, church in which a bishop presides. The designation is not dependent on the size or magnificence of a church edifice, but is entirely a matter of its assign...

quantum electrodynamics

(Encyclopedia)quantum electrodynamics (QED), quantum field theory that describes the properties of electromagnetic radiation and its interaction with electrically charged matter in the framework of quantum theory. ...

Dutch art

(Encyclopedia)Dutch art, the art of the region that is now the Netherlands. As a distinct national style, this art dates from about the turn of the 17th cent., when the country emerged as a political entity and dev...

Italian literature

(Encyclopedia)Italian literature, writings in the Italian language, as distinct from earlier works in Latin and French. In the second half of the 19th cent. Francesco De Sanctis, literary critic and historian, la...

Early Christian art and architecture

(Encyclopedia)Early Christian art and architecture, works of art exhibiting Christian themes and structures designed for Christian worship created relatively soon after the death of Jesus. Most date from the 4th to...