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Ag
Ag symbol for the element silver .
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silver nitrate
silver nitrate , chemical compound, AgNO 3 , a colorless crystalline material that is very soluble in water. The most important compound of silver, it is used in the preparation of silver salts for photography , in chemical analysis, in silver plating, in inks and hair dyes, and to silver mirrors. ...
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silver
silver metallic chemical element; symbol Ag [Lat. argentum ]; at. no. 47; at. wt. 107.8682; m.p. 961.93°C; b.p. 2,212°C; sp. gr. 10.5 at 20°C; valence +1 or +2. Pure silver is nearly white, lustrous, soft, very ductile, malleable, and an excellent conductor of heat and electricity. In ...
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free silver
free silver in U.S. history, term designating the political movement for the unlimited coinage of silver.
Origins of the Movement
Free silver became a popular issue soon after the Panic of 1873, and it was a major issue in the next quarter century. The hard times of 1873-78 stimulated adv...
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German silver
German silver name for various alloys of copper, zinc, and nickel, sometimes also containing lead and tin. They were originally named for their silver-white color, but use of the term silver is now prohibited for alloys not containing that metal. German silver varies in composition, the percentag...
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amalgam
amalgam , alloy containing mercury . The alloy may be liquid or solid, depending on the proportion of mercury, although all naturally occurring amalgams, i.e., those of gold and silver, are solid. Amalgams are widely used. Silver, gold, and copper amalgams are used in dentistry, and tin amalgam i...
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amalgamation process
amalgamation process , in particular, a method to extract gold and silver from ores. The ore is crushed and treated with mercury , in which the metal dissolves. The amalgam is heated and the mercury evaporates, leaving pure gold or silver. The process has been criticized as an environmental and occ...
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Bland-Allison Act
Bland-Allison Act 1878, passed by the U.S. Congress to provide for freer coinage of silver. The original bill offered by Representative Richard P. Bland incorporated the demands of the Western radicals for free and unlimited coinage of silver. This was passed by the House but was unacceptable to th...
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coronet
coronet , head attire of a noble of high rank, worn on state occasions. It is inferior to the crown. British peers wear their coronets at the coronation of their sovereign. Although dukes wore coronets to mark their rank by the 14th cent., it was in the reign of Elizabeth I that individual patterns ...
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Pierre de Ronsard
Pierre de Ronsard , 1524-1585, French poet. As page, then squire, Ronsard seemed destined for a career at court both in France and abroad. However, deafness turned him to a more secluded and studious life at the Collège de Coqueret where he became leader of the Pléiade (see under Plei...
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