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nine-eleven

9-11 or 9/11

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noun
the 11th of September 2001, the day on which the twin towers of the World Trade Center in New York were flown into and destroyed by aeroplanes hijacked by Islamic fundamentalistsAlso called: September eleven
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Word Origin for nine-eleven

C21: from the US custom of expressing dates in figures, the day of the month following the number of the month
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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