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Washington, D.C.

(Encyclopedia)Washington, D.C., capital of the United States, coextensive (since 1878, when Georgetown became a part of Washington) with the District of ...

transistor

(Encyclopedia)CE5 Simple transistor circuit transistor, three-terminal, solid-state electronic device used for amplification and switching. It is the solid-state analog to the triode electron tube; the transist...

dome

(Encyclopedia)CE5 Parts of a dome dome, a roof circular or (rarely) elliptical in plan and usually hemispherical in form, placed over a circular, square, oblong, or polygonal space. Domes have been built with a...

Edinburgh

(Encyclopedia)Edinburgh ĕdˈĭnbərə [key], city (2021 pop. 542,599) and council area, royal burgh, capital of ...

journalism

(Encyclopedia)journalism, the collection and periodic publication or transmission of news through media such as newspaper, periodical, television, and radio. By broadcasting events such as the Watergate hearin...

Johnson, Andrew

(Encyclopedia)Johnson, Andrew, 1808–75, 17th President of the United States (1865–69), b. Raleigh, N.C. On Apr. 15, 1865, following Lincoln's assassination, Johnson took the oath of office as President. His...

Wordsworth, William

(Encyclopedia)Wordsworth, William, 1770–1850, English poet, b. Cockermouth, Cumberland. One of the great English poets, he was a leader of the romantic movement in England. Wordsworth's personality and poetry ...

illustration

(Encyclopedia)illustration, any type of picture or decoration used in conjunction with a text to embellish its appearance or to clarify its meaning. Illustration is as old as writing, with both originating in the p...

antiparticle

(Encyclopedia)antiparticle, elementary particle corresponding to an ordinary particle such as the proton, neutron, or electron, but having the opposite electrical charge and magnetic moment. Every elementary partic...

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