Welcome to the 1520 Perfect Dictionary
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| Quasi-particle | |
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| QUASI-PARTICLE Definition: (physics) In solid-state physics, a unit of energy (sound, light, heat) with mass and momentum but that does not exist as a free particle, e.g., phonons. ____________________________________ See perfect unit (1). See perfect particle (2). See perfect form (1). ____ See perfect specificity. See perfect applicability. 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 |