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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...

social work

(Encyclopedia)social work, organized effort to help individuals and families to adjust themselves to the community, as well as to adapt the community to the needs of such persons and families. Social work emerge...

Warsaw

(Encyclopedia)Warsaw wôrˈsô [key], Pol. Warszawa, city (1993 est. pop. 1,655,700), capital of Poland and of Mazowieckie prov., central Poland, on both banks of the Vistula River. It is a political, cultural, and...

caste

(Encyclopedia)caste [Port., casta=basket], ranked groups based on heredity within rigid systems of social stratification, especially those that constitute Hindu India. Some scholars, in fact, deny that true caste s...

quantum theory

(Encyclopedia)quantum theory, modern physical theory concerned with the emission and absorption of energy by matter and with the motion of material particles; the quantum theory and the theory of relativity togethe...

land use

(Encyclopedia)land use, exploitation of land for agricultural, industrial, residential, recreational, or other purposes. Because the United States historically has a laissez-faire attitude toward land use, the land...

Hubble's law

(Encyclopedia)Hubble's law, in astronomy, statement that the distances between galaxies (see galaxy) or clusters of galaxies are continuously increasing and that therefore the universe is expanding. Hubble's law ...

interior decoration

(Encyclopedia)interior decoration, adornment of the interior of a building, public or domestic, comprising interior architecture, finishing, and furnishings. Asian and classical cultures used the decorative arts to...

ecumenical movement

(Encyclopedia)ecumenical movement ĕkˌyo͞omĕnˈĭkəl, ĕkˌyə– [key], name given to the movement aimed at the unification of the Protestant churches of the world and ultimately of all Christians. During and ...

Guam

(Encyclopedia)Guam gwäm [key], Chamorro Guåhan, officially Territory of Guam, the largest, most populous, and southernmost of the Mariana Islands (see also Northern Mariana Islands), an unincorporated territory o...