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Holmes, Oliver Wendell, American author and physician

(Encyclopedia)Holmes, Oliver Wendell, 1809–94, American author and physician, b. Cambridge, Mass., grad. Harvard (B.A., 1829; M.D., 1836); father of Oliver Wendell Holmes, Jr. He began his medical career as a gen...

Hughes, Langston

(Encyclopedia)Hughes, Langston (James Langston Hughes), 1902–67, American poet and central figure of the Harlem Renaissance, b. Joplin, Mo., grad. Lincoln Univ., 1929. He worked at a variety of jobs and lived in ...

Federalist, The

(Encyclopedia)Federalist, The, series of 85 political essays, sometimes called The Federalist Papers, written 1787–88 under the pseudonym “Publius.” Alexander Hamilton initiated the series with the immediate ...

formaldehyde

(Encyclopedia)formaldehyde fôrmălˈdəhīdˌ [key], HCHO, the simplest aldehyde. It melts at −92℃, boils at −21℃, and is soluble in water, alcohol, and ether; at STP, it is a flammable, poisonous, colorle...

Baykal

(Encyclopedia)Baykal or Baikal both: bīkälˈ [key], lake, 12,160 sq mi (31,494 sq km), SE Siberian Russia. It is the largest freshwater lake of Eurasia, with a width up to 50 mi (80 km) and a length of c.395 mi (...

theremin

(Encyclopedia)theremin thĕrˈəmən [key], one of the earliest electronic musical instruments, invented (1920) in the Soviet Union and named for its creator, Leon Theremin. A forerunner of the synthesizer, it cons...

Chaban-Delmas, Jacques

(Encyclopedia)Chaban-Delmas, Jacques zhäk shäbäNˈ-dĕlmäˈ [key], 1915–2000, French political leader, born Jacques Delmas. He joined (1940) the resistance, using the nom de guerre “Chaban,” which he late...

Rhys, Jean

(Encyclopedia)Rhys, Jean rēs [key], pseud. of Ella Gwendoline Rees Williams, 1894–1979, English novelist, b. Dominica. Her novels written in the 1930s mercilessly exploit her own emotional life, depicting pretty...

Renan, Ernest

(Encyclopedia)Renan, Ernest ĕrnĕstˈ rənäNˈ [key], 1823–92, French historian and critic. He began training for the priesthood but renounced it in 1845. His first trip to Italy (1849) influenced his interest ...

convection

(Encyclopedia)convection, mode of heat transfer in fluids (liquids and gases). Convection depends on the fact that, in general, fluids expand when heated and thus undergo a decrease in density (since a given volume...
 

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