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Bull Run

(Encyclopedia)Bull Run, small stream, NE Va., c.30 mi (50 km) SW of Washington, D.C. Two important battles of the Civil War were fought there: the first on July 21, 1861, and the second Aug. 29–30, 1862. Both bat...

Persian Gulf Wars

(Encyclopedia)Persian Gulf Wars, two conflicts involving Iraq and U.S.-led coalitions in the late 20th and early 21st cent. The First Persian Gulf War, also known as the Gulf War, Jan.–Feb., 1991, was an armed co...

Bangladesh

(Encyclopedia)CE5 Bangladesh bäng-lädĕshˈ, băng– [key] [Bengali,=Bengal nation], officially People's Republic of ...

ear

(Encyclopedia)CE5 Ear ear, organ of hearing and equilibrium. The human ear consists of outer, middle, and inner parts. The outer ear is the visible portion; it includes the skin-covered flap of cartilage known ...

reflection

(Encyclopedia)CE5 Image formation by curved mirrors and lenses reflection, return of a wave from a surface that it strikes into the medium through which it has traveled. The general principles governing the ref...

Pennsylvania

(Encyclopedia)CE5 Pennsylvania pĕnsəlvāˈnyə [key], one of the Middle Atlantic states of the United States. It is bordered by New Jersey, across the Delaware River (E), Delaware (SE), Maryland (S), West Virg...

arbitration

(Encyclopedia)arbitration, industrial, method of settling disputes between two parties by seeking and accepting the decision of a third party. Arbritration differs from mediation in that the arbritrator does not at...

hockey, ice

(Encyclopedia)hockey, ice, team sport in which players use sticks to propel a hard, round disk into a net-backed goal. The NHL long regarded itself as the world's elite, but the overwhelming superiority of the ...

Nicholas II, czar of Russia

(Encyclopedia)Nicholas II, 1868–1918, last czar of Russia (1894–1917), son of Alexander III and Maria Feodorovna. Discontent at home grew, the army tired of war, the food situation deteriorated, the governme...

rain

(Encyclopedia)rain, precipitation in liquid form. It consists of drops of water falling from clouds; if the drops are very small, they are collectively termed drizzle. Rain plays a key role in the hydrologic, or wa...