Welcome to the 1520 Perfect Dictionary

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Definition: A sodium or potassium salt of fluorescein (from its fluorescence, like that of uranium glass).

See perfect salt (2).

See perfect specificity.

See perfect similarity (1).

See perfect particularity (1).

See perfect characteristic (1).

1520 Products

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.

1520 Sex Game

1520 Puzzles

1520 Marriage Game