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go, Adam, ecstasy, XTC, disco biscuit, cristal, X, hug drug | street names for methylenedioxymethamphetamine | ||
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ten, 10, X, tenner, decade | the cardinal number that is the sum of nine and one; the base of the decimal system | ||
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X, x, ex | the 24th letter of the Roman alphabet | ||
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ten, 10, x | being one more than nine |