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Abishag

(Encyclopedia)Abishag ăbˈəshăg [key], in the Bible, Shunammite woman, David's attendant in his old age and the indirect cause of Adonijah's murder. ...

corrosion

(Encyclopedia)corrosion, atmospheric oxidation of metals (see oxidation and reduction). By far the most important form of corrosion is the rusting of iron. Rusting is essentially a process of oxidation in which iro...

Algol, in astronomy

(Encyclopedia)Algol ălˈgŏl [key], famous variable star in the constellation Perseus; Bayer designation β Persei; 1992 position R.A. 3h07.7m, Dec. +40°55′. Algol's variation in apparent magnitude, from 2.06 t...

lettuce

(Encyclopedia)lettuce, annual garden plant (Lactuca sativa and varieties) of the family Asteraceae (aster family), probably native to the East Indies or Asia Minor, possibly as a derivative of the widespread weed c...

wheel

(Encyclopedia)wheel. Through the many millennia of the Paleolithic period and the Neolithic period no use of the wheel was known to humans. Its use was not known to the Native Americans until the Europeans introduc...

Picts

(Encyclopedia)Picts, ancient inhabitants of central and N Scotland, of uncertain origin. First mentioned (a.d. 297) by the Roman writer Eumenius as northern invaders of Roman Britain, they were probably descendants...

Townsend, Francis Everett

(Encyclopedia)Townsend, Francis Everett tounˈzənd [key], 1867–1960, American reformer, leader of an old-age pension movement, b. Fairbury, Ill., grad. Univ. of Nebraska medical school, 1903. He practiced medici...

distortion

(Encyclopedia)distortion, in electronics, undesired change in an electric signal waveform as it passes from the input to the output of some system or device. In an audio system, distortion results in poor reproduct...

metronome

(Encyclopedia)metronome mĕˈtrənōmˌ [key], in music, originally pyramid-shaped clockwork mechanism to indicate the exact tempo in which a work is to be performed. It has a double pendulum whose pace can be alte...

Stenmark, Ingemar

(Encyclopedia)Stenmark, Ingemar, 1956–, Swedish skier. The “Silent Swede” learned to ski at an early age and in 16 years of competition won a record 86 World Cup races and two gold medals at the 1980 Olympics...
 

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