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De Long, George Washington

(Encyclopedia)De Long, George Washington də lôngˈ [key], 1844–81, American arctic explorer, b. New York City, grad. Annapolis, 1865. In 1873 he was assigned to the Juniata, which was sent to the arctic to sear...

Custis, George Washington Parke

(Encyclopedia)Custis, George Washington Parke, 1781–1857, American dramatist, b. Mt. Airy, Md., educated at the College of New Jersey (now Princeton). The grandson of Martha Washington, he grew up at Mt. Vernon a...

Lee, George Washington Custis

(Encyclopedia)Lee, George Washington Custis, 1832–1913, Confederate general in the American Civil War, b. Fort Monroe, Va.; eldest son of Robert E. Lee. He served in the Corps of Engineers until May, 1861, when h...

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 ...

Irving, Washington

(Encyclopedia)Irving, Washington, 1783–1859, American author and diplomat, b. New York City. Irving was one of the first Americans to be recognized abroad as a man of letters, and he was a literary idol at home. ...

half-life

(Encyclopedia)half-life, measure of the average lifetime of a radioactive substance (see radioactivity) or an unstable subatomic particle. One half-life is the time required for one half of any given quantity of th...

life preserver

(Encyclopedia)life preserver, a personal flotation device (PFD) intended to keep the wearer afloat, particularly in case of shipwreck. A Type I PFD will keep even unconscious people afloat in a face–up position; ...

Census of Marine Life

(Encyclopedia)Census of Marine Life, an international program (2001–2010) to assess and explain the diversity, distribution, and abundance of living organisms in the oceans. A project involving more than 2,700 sc...

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