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erg

erg
1. A ‘sand sea’ in a hot desert. It is a feature of the Sahara, where sand is typically accumulated in wide shallow basins as alluvial and lacustrine deposits derived from adjacent rocky desert during the Cenozoic. It is often very large: the Grand Erg Oriental covers 196 000 km2 in Algeria and Tunisia.

2. The unit of energy or work in the c.g.s. system; 1 erg = 10−7 J.

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erg

erg
1. Sand sea in a hot desert. It is a feature of the Sahara, where sand typically is accumulated in wide shallow basins as alluvial and lacustrine deposits derived from adjacent rocky desert during the Cenozoic. It is often very large: the Grand Erg Oriental covers 196000 km2 in Algeria and Tunisia.

2. Unit of energy of work in the c.g.s.system. 1 erg = 10−7 J.

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erg

erg / ərg/ • n. Physics a unit of work or energy, equal to the work done by a force of one dyne when its point of application moves one centimeter in the direction of action of the force. erg2 / erg/ • n. an area of shifting sand dunes in the Sahara.

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erg

erg (ûrg), unit of work or energy in the cgs system of units, which is based on the metric system; it is the work done or energy expended by a force of 1 dyne acting through a distance of 1 centimeter. In terms of the joule, the unit of work or energy in the mks system, 1 erg equals 0.0000001 joule.

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erg-

erg- (ergo-) combining form denoting work or activity.

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erg

erg unit of work. XIX. — Gr. érgon WORK.

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erg

ergBerg, burg, erg, exergue •Hamburg • Battenberg • Strasberg •Habsburg • Salzburg • Strasbourg •Pressburg • Spielberg • Tilburg •Lindbergh, Strindberg •Wittenberg • Vicksburg • Pittsburgh •Ginsberg • Johannesburg •Königsberg • Gettysburg • Freiburg •Heidelberg • Heisenberg • iceberg •Bromberg, homburg, Romberg •Gothenburg • Warburg • Jo'burg •Gutenberg • Duisburg • Magdeburg •Brandenburg • Hindenburg •Mecklenburg • Wallenberg •Orenburg • Nuremberg •Luxembourg • St Petersburg •Williamsburg • Schoenberg •Würzburg • Esbjerg

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ERG

ERG electrical resistance gauge
• Med. electroretinogram

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