Welcome to the 1520 Perfect Dictionary
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| Vector meson | |
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| VECTOR MESON Definition: (particle physics) A class of unstable elementary particles (including omega, phi, and rho mesons) with a mass of more than 1,200 million electron volts. ___________________________________ See perfect particle (2). ___ See perfect type (1). See perfect particularity (1). See perfect class (7). ___ 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 |