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petroleum

(Encyclopedia)petroleum, oily, flammable liquid that occurs naturally in deposits, usually beneath the surface of the earth; it is also called crude oil. It consists principally of a mixture of hydrocarbons, with t...

Bush, George Herbert Walker

(Encyclopedia)Bush, George Herbert Walker, 1924–2018, 41st President of the United States (1989–93), b. Milton, Mass., B.A., Yale Univ., 1948. Bush's handling of domestic affairs was less successful. The savi...

migration

(Encyclopedia)migration, of people, geographical movements of individuals or groups for the purpose of permanently resettling. Normal internal migration has been characterized by a population shift from rural t...

Damascus

(Encyclopedia)Damascus dəmăsˈkəs [key], Arabic Dimashq or ash-Sham, city (1995 est. pop. 1,500,000), capital of Syria and of its Damascus governorate, SW Syria, on the eastern edge of the Anti-Lebanon Mts. It i...

battery, electric

(Encyclopedia)CE5 Lead storage cell: At the lead-dioxide electrode, electrons from the circuit combine with lead dioxide and sulfuric acid to form lead sulfate and water. At the spongy-lead electrode, lead react...

Australia

(Encyclopedia)CE5 Australia ôstrālˈyə [key], smallest continent, between the Indian and Pacific oceans. With the island state of Tasmania to the south, the continent makes up th...

Oman

(Encyclopedia)CE5 Oman ōmänˈ [key], officially Sultanate of Oman, independent sultanate (2015 est. pop. 3,287,000), c.82,000 sq mi (212,380 sq km), SE Arabian peninsula, on the Gulf of Oman and the Arabian Se...

nationalism

(Encyclopedia)nationalism, political or social philosophy in which the welfare of the nation-state as an entity is considered paramount. Nationalism is basically a collective state of mind or consciousness in which...

Islam

(Encyclopedia)Islam ĭslämˈ, ĭsˈläm [key], [Arab.,=submission to God], world religion founded by the Prophet Muhammad. Founded in the 7th cent., Islam is the youngest of the three monotheistic world religions ...

Arab-Israeli Wars

(Encyclopedia)Arab-Israeli Wars, conflicts in 1948–49, 1956, 1967, 1973–74, and 1982 between Israel and the Arab states. Tensions between Israel and the Arabs have been complicated and heightened by the politic...