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weathering

(Encyclopedia)weathering, collective term for the processes by which rock at or near the earth's surface is disintegrated and decomposed by the action of atmospheric agents, water, and living things. Some of these ...

Bánzer Suárez, Hugo

(Encyclopedia)Bánzer Suárez, Hugo o͞oˈgō bänˈsĕr swäˈrĕs [key], 1926–2002, Bolivian military and political leader, president of Bolivia (1971–78; 1997–2001). Educated at military schools in Bolivia...

Tydings, Millard Evelyn

(Encyclopedia)Tydings, Millard Evelyn tīˈdĭngz [key], 1890–1961, American politician, b. Havre de Grace, Md. He was admitted (1913) to the bar, soon built a successful law practice, and became (1916) a member ...

Beveridge, William Henry

(Encyclopedia)Beveridge, William Henry, 1879–1963, British economist, b. India, grad. Oxford, 1902. His fame as an authority on social problems was gained through investigations and writings in government service...

Yorck von Wartenburg, Ludwig, Graf

(Encyclopedia)Yorck von Wartenburg or York von Wartenburg, Ludwig, Graf both: lo͝otˈvĭkh gräf yôrk fən värˈtənbo͝orkh [key], 1759–1830, Prussian army officer. He commanded the Prussian auxiliary corps t...

Pinckney, Thomas

(Encyclopedia)Pinckney, Thomas, 1750–1828, American political leader and diplomat, b. Charleston, S.C.; brother of C. C. Pinckney and cousin of Charles Pinckney. At the outbreak of the American Revolution he join...

Baroja y Nessi, Pío

(Encyclopedia)Baroja y Nessi, Pío pēˈō bärōˈhä ē nāsˈsē [key], 1879–1956, Spanish novelist from the Basque Country, member of the group of writers known as the Generation of '98. He left medicine to d...

Steinem, Gloria

(Encyclopedia)Steinem, Gloria stīnˈəm [key], 1934–, American journalist and feminist, b. Toledo, Ohio, grad. Smith College (B.A., 1956). Steinem gained prominence as a spokeswoman for women's rights in article...

resuscitator

(Encyclopedia)resuscitator rĭsŭsˈĭtāˌtər [key], device used to revive a person whose normal breathing has been disrupted. Several types are in wide use. The automatic tank resuscitator consists of a face mas...

lubrication

(Encyclopedia)lubrication, introduction of a substance between the contact surfaces of moving parts to reduce friction and to dissipate heat. A lubricant may be oil, grease, graphite, or any substance—gas, liquid...