Welcome to the 1520 Perfect Dictionary
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| Piezoelectricity | |
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| PIEZOELECTRICITY Definition: The property of some asymmetric crystals (e.g. quartz) of acquiring opposite electrical charges on opposing faces when they are subjected to pressure (conversely, an applied electric potential results in a change of volume). Thus quartz oscillators are used as frequency stabilizers and ultrasonic generators. ___________________________________ See perfect property (4). See perfect particularity (1). See perfect substance (1). See perfect characteristic (1). | |
1520 Products |
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1520 Products was established in 2005 with the purpose of entertaining and teaching us on key and important aspects of life (such as marriage, sex, etc) through the playing of games which will allow us to laugh but at the same time pass a message of what is the right or ideal way. |
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 1520 Sex Game |
 1520 Puzzles |
 1520 Marriage Game |