Columbia Encyclopedia

(Encyclopedia) health insurance, prepayment plan providing services or cash indemnities for medical care needed in times of illness or disability. It is effected by voluntary plans, either commercial or nonprofit, o...

(Encyclopedia) physics, branch of science traditionally defined as the study of matter, energy, and the relation between them; it was called natural philosophy until the late 19th cent. and is still known by this na...

(Encyclopedia)  CE5 titles, terms used to designate degrees of sovereignty, nobility, and honor. In the Muslim world the temporal successors of Muhammad received the title caliph (literally, “successor”). ...

(Encyclopedia)  CE5 Namibia nämĭbˈēə [key], officially Republic of Namibia, republic (2015 est. pop. 2,426,000), c.318,000 sq mi (823,620 sq km), SW Africa. It is bordered by Angola in the north, by Zambia in...

(Encyclopedia) Bohemia, Czech Čechy, historic region (20,368 sq mi/52,753 sq km) and former kingdom, in W and central Czech Republic. Bohemia is bounded by Austria in the southeast, by Germany in the west and north...

(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...

(Encyclopedia)  CE5 Electrical and radio symbols electricity, class of phenomena arising from the existence of charge. The basic unit of charge is that on the proton or electron—the proton's charge is designate...

(Encyclopedia) church and state, the relationship between the religion or religions of a nation and the civil government of that nation, especially the relationship between the Christian church and various civil gov...

(Encyclopedia)  CE5 Guatemala gwätəmäˈlə [key], officially Republic of Guatemala, republic (2021 est. pop. ...

(Encyclopedia)  CE5 Greece, Gr. Hellas or Ellas, officially Hellenic Republic, republic (2015 est. pop. 11,218,000), 50,944 sq mi (131,945 sq km), SE Europe. It occupies the southernmost part of the Balkan Peninsu...